diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6e9cc523..41254c76 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,17 @@
 # Changelog
 
+### [2.1.1](https://www.github.com/googleapis/java-texttospeech/compare/v2.1.0...v2.1.1) (2022-01-07)
+
+
+### Documentation
+
+* update comments for ListVoicesRequest ([#611](https://www.github.com/googleapis/java-texttospeech/issues/611)) ([9323550](https://www.github.com/googleapis/java-texttospeech/commit/93235503915ec6848300d05baa9c7e6a64363331))
+
+
+### Dependencies
+
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v2.6.0 ([#619](https://www.github.com/googleapis/java-texttospeech/issues/619)) ([c977bff](https://www.github.com/googleapis/java-texttospeech/commit/c977bff8c3b2f0c6e4a8d6724423fb7079d2c020))
+
 ## [2.1.0](https://www.github.com/googleapis/java-texttospeech/compare/v2.0.6...v2.1.0) (2021-12-06)
 
 
diff --git a/README.md b/README.md
index a5643d5b..2920751f 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ If you are using Maven with [BOM][libraries-bom], add this to your pom.xml file
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>libraries-bom</artifactId>
-      <version>24.0.0</version>
+      <version>24.1.2</version>
       <type>pom</type>
       <scope>import</scope>
     </dependency>
@@ -42,7 +42,7 @@ If you are using Maven without BOM, add this to your dependencies:
 <dependency>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-texttospeech</artifactId>
-  <version>2.0.6</version>
+  <version>2.1.0</version>
 </dependency>
 
 ```
@@ -50,20 +50,20 @@ If you are using Maven without BOM, add this to your dependencies:
 If you are using Gradle 5.x or later, add this to your dependencies
 
 ```Groovy
-implementation platform('com.google.cloud:libraries-bom:24.0.0')
+implementation platform('com.google.cloud:libraries-bom:24.1.2')
 
 implementation 'com.google.cloud:google-cloud-texttospeech'
 ```
 If you are using Gradle without BOM, add this to your dependencies
 
 ```Groovy
-implementation 'com.google.cloud:google-cloud-texttospeech:2.0.6'
+implementation 'com.google.cloud:google-cloud-texttospeech:2.1.0'
 ```
 
 If you are using SBT, add this to your dependencies
 
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-texttospeech" % "2.0.6"
+libraryDependencies += "com.google.cloud" % "google-cloud-texttospeech" % "2.1.0"
 ```
 
 ## Authentication
diff --git a/google-cloud-texttospeech-bom/pom.xml b/google-cloud-texttospeech-bom/pom.xml
index 8003d0c9..d9800168 100644
--- a/google-cloud-texttospeech-bom/pom.xml
+++ b/google-cloud-texttospeech-bom/pom.xml
@@ -3,12 +3,12 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-texttospeech-bom</artifactId>
-  <version>2.1.0</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
+  <version>2.1.1</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-shared-config</artifactId>
-    <version>1.2.2</version>
+    <version>1.2.4</version>
   </parent>
 
   <name>Google Cloud texttospeech BOM</name>
@@ -52,27 +52,27 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-texttospeech</artifactId>
-        <version>2.1.0</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
+        <version>2.1.1</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-texttospeech-v1beta1</artifactId>
-        <version>0.90.0</version><!-- {x-version-update:grpc-google-cloud-texttospeech-v1beta1:current} -->
+        <version>0.90.1</version><!-- {x-version-update:grpc-google-cloud-texttospeech-v1beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-texttospeech-v1</artifactId>
-        <version>2.1.0</version><!-- {x-version-update:grpc-google-cloud-texttospeech-v1:current} -->
+        <version>2.1.1</version><!-- {x-version-update:grpc-google-cloud-texttospeech-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-texttospeech-v1</artifactId>
-        <version>2.1.0</version><!-- {x-version-update:proto-google-cloud-texttospeech-v1:current} -->
+        <version>2.1.1</version><!-- {x-version-update:proto-google-cloud-texttospeech-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-texttospeech-v1beta1</artifactId>
-        <version>0.90.0</version><!-- {x-version-update:proto-google-cloud-texttospeech-v1beta1:current} -->
+        <version>0.90.1</version><!-- {x-version-update:proto-google-cloud-texttospeech-v1beta1:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/google-cloud-texttospeech/pom.xml b/google-cloud-texttospeech/pom.xml
index 55554c0f..fdffdc1f 100644
--- a/google-cloud-texttospeech/pom.xml
+++ b/google-cloud-texttospeech/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-texttospeech</artifactId>
-  <version>2.1.0</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
+  <version>2.1.1</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud Text-to-Speech</name>
   <url>https://github.com/googleapis/java-texttospeech</url>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-texttospeech-parent</artifactId>
-    <version>2.1.0</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
+    <version>2.1.1</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-texttospeech</site.installationModule>
diff --git a/google-cloud-texttospeech/src/main/java/com/google/cloud/texttospeech/v1beta1/TextToSpeechClient.java b/google-cloud-texttospeech/src/main/java/com/google/cloud/texttospeech/v1beta1/TextToSpeechClient.java
index 20e524fc..c000f2bc 100644
--- a/google-cloud-texttospeech/src/main/java/com/google/cloud/texttospeech/v1beta1/TextToSpeechClient.java
+++ b/google-cloud-texttospeech/src/main/java/com/google/cloud/texttospeech/v1beta1/TextToSpeechClient.java
@@ -154,11 +154,9 @@ public TextToSpeechStub getStub() {
    * @param languageCode Optional. Recommended.
    *     [BCP-47](https://www.rfc-editor.org/rfc/bcp/bcp47.txt) language tag. If not specified, the
    *     API will return all supported voices. If specified, the ListVoices call will only return
-   *     voices that can be used to synthesize this language_code. E.g. when specifying `"en-NZ"`,
-   *     you will get supported `"en-NZ"` voices; when specifying `"no"`, you will get supported
-   *     `"no-\\&#42;"` (Norwegian) and `"nb-\\&#42;"` (Norwegian Bokmal) voices; specifying `"zh"`
-   *     will also get supported `"cmn-\\&#42;"` voices; specifying `"zh-hk"` will also get
-   *     supported `"yue-hk"` voices.
+   *     voices that can be used to synthesize this language_code. For example, if you specify
+   *     `"en-NZ"`, all `"en-NZ"` voices will be returned. If you specify `"no"`, both
+   *     `"no-\\&#42;"` (Norwegian) and `"nb-\\&#42;"` (Norwegian Bokmal) voices will be returned.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
   public final ListVoicesResponse listVoices(String languageCode) {
diff --git a/grpc-google-cloud-texttospeech-v1/pom.xml b/grpc-google-cloud-texttospeech-v1/pom.xml
index 4cd40634..c8af7202 100644
--- a/grpc-google-cloud-texttospeech-v1/pom.xml
+++ b/grpc-google-cloud-texttospeech-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-texttospeech-v1</artifactId>
-  <version>2.1.0</version><!-- {x-version-update:grpc-google-cloud-texttospeech-v1:current} -->
+  <version>2.1.1</version><!-- {x-version-update:grpc-google-cloud-texttospeech-v1:current} -->
   <name>grpc-google-cloud-texttospeech-v1</name>
   <description>GRPC library for grpc-google-cloud-texttospeech-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-texttospeech-parent</artifactId>
-    <version>2.1.0</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
+    <version>2.1.1</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/grpc-google-cloud-texttospeech-v1beta1/pom.xml b/grpc-google-cloud-texttospeech-v1beta1/pom.xml
index 2ccbe771..d65028a5 100644
--- a/grpc-google-cloud-texttospeech-v1beta1/pom.xml
+++ b/grpc-google-cloud-texttospeech-v1beta1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-texttospeech-v1beta1</artifactId>
-  <version>0.90.0</version><!-- {x-version-update:grpc-google-cloud-texttospeech-v1beta1:current} -->
+  <version>0.90.1</version><!-- {x-version-update:grpc-google-cloud-texttospeech-v1beta1:current} -->
   <name>grpc-google-cloud-texttospeech-v1beta1</name>
   <description>GRPC library for grpc-google-cloud-texttospeech-v1beta1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-texttospeech-parent</artifactId>
-    <version>2.1.0</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
+    <version>2.1.1</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/pom.xml b/pom.xml
index 5018b0ae..8b4aefea 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-texttospeech-parent</artifactId>
   <packaging>pom</packaging>
-  <version>2.1.0</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
+  <version>2.1.1</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
   <name>Google Cloud Text-to-Speech Parent</name>
   <url>https://github.com/googleapis/java-texttospeech</url>
   <description>
@@ -14,7 +14,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-shared-config</artifactId>
-    <version>1.2.2</version>
+    <version>1.2.4</version>
   </parent>
 
   <developers>
@@ -61,33 +61,33 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-texttospeech-v1</artifactId>
-        <version>2.1.0</version><!-- {x-version-update:proto-google-cloud-texttospeech-v1:current} -->
+        <version>2.1.1</version><!-- {x-version-update:proto-google-cloud-texttospeech-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-texttospeech-v1beta1</artifactId>
-        <version>0.90.0</version><!-- {x-version-update:proto-google-cloud-texttospeech-v1beta1:current} -->
+        <version>0.90.1</version><!-- {x-version-update:proto-google-cloud-texttospeech-v1beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-texttospeech-v1beta1</artifactId>
-        <version>0.90.0</version><!-- {x-version-update:grpc-google-cloud-texttospeech-v1beta1:current} -->
+        <version>0.90.1</version><!-- {x-version-update:grpc-google-cloud-texttospeech-v1beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-texttospeech-v1</artifactId>
-        <version>2.1.0</version><!-- {x-version-update:grpc-google-cloud-texttospeech-v1:current} -->
+        <version>2.1.1</version><!-- {x-version-update:grpc-google-cloud-texttospeech-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-texttospeech</artifactId>
-        <version>2.1.0</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
+        <version>2.1.1</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
       </dependency>
 
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-shared-dependencies</artifactId>
-        <version>2.5.1</version>
+        <version>2.6.0</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
diff --git a/proto-google-cloud-texttospeech-v1/pom.xml b/proto-google-cloud-texttospeech-v1/pom.xml
index 96454e48..5eafeb71 100644
--- a/proto-google-cloud-texttospeech-v1/pom.xml
+++ b/proto-google-cloud-texttospeech-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-texttospeech-v1</artifactId>
-  <version>2.1.0</version><!-- {x-version-update:proto-google-cloud-texttospeech-v1:current} -->
+  <version>2.1.1</version><!-- {x-version-update:proto-google-cloud-texttospeech-v1:current} -->
   <name>proto-google-cloud-texttospeech-v1</name>
   <description>PROTO library for proto-google-cloud-texttospeech-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-texttospeech-parent</artifactId>
-    <version>2.1.0</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
+    <version>2.1.1</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/proto-google-cloud-texttospeech-v1beta1/pom.xml b/proto-google-cloud-texttospeech-v1beta1/pom.xml
index b163cb25..a1147165 100644
--- a/proto-google-cloud-texttospeech-v1beta1/pom.xml
+++ b/proto-google-cloud-texttospeech-v1beta1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-texttospeech-v1beta1</artifactId>
-  <version>0.90.0</version><!-- {x-version-update:proto-google-cloud-texttospeech-v1beta1:current} -->
+  <version>0.90.1</version><!-- {x-version-update:proto-google-cloud-texttospeech-v1beta1:current} -->
   <name>proto-google-cloud-texttospeech-v1beta1</name>
   <description>PROTO library for proto-google-cloud-texttospeech-v1beta1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-texttospeech-parent</artifactId>
-    <version>2.1.0</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
+    <version>2.1.1</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/ListVoicesRequest.java b/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/ListVoicesRequest.java
index e429442c..3581ad5f 100644
--- a/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/ListVoicesRequest.java
+++ b/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/ListVoicesRequest.java
@@ -121,11 +121,10 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    * [BCP-47](https://www.rfc-editor.org/rfc/bcp/bcp47.txt) language tag.
    * If not specified, the API will return all supported voices.
    * If specified, the ListVoices call will only return voices that can be used
-   * to synthesize this language_code. E.g. when specifying `"en-NZ"`, you will
-   * get supported `"en-NZ"` voices; when specifying `"no"`, you will get
-   * supported `"no-&#92;*"` (Norwegian) and `"nb-&#92;*"` (Norwegian Bokmal) voices;
-   * specifying `"zh"` will also get supported `"cmn-&#92;*"` voices; specifying
-   * `"zh-hk"` will also get supported `"yue-hk"` voices.
+   * to synthesize this language_code. For example, if you specify `"en-NZ"`,
+   * all `"en-NZ"` voices will be returned. If you specify `"no"`, both
+   * `"no-&#92;*"` (Norwegian) and `"nb-&#92;*"` (Norwegian Bokmal) voices will be
+   * returned.
    * </pre>
    *
    * <code>string language_code = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -152,11 +151,10 @@ public java.lang.String getLanguageCode() {
    * [BCP-47](https://www.rfc-editor.org/rfc/bcp/bcp47.txt) language tag.
    * If not specified, the API will return all supported voices.
    * If specified, the ListVoices call will only return voices that can be used
-   * to synthesize this language_code. E.g. when specifying `"en-NZ"`, you will
-   * get supported `"en-NZ"` voices; when specifying `"no"`, you will get
-   * supported `"no-&#92;*"` (Norwegian) and `"nb-&#92;*"` (Norwegian Bokmal) voices;
-   * specifying `"zh"` will also get supported `"cmn-&#92;*"` voices; specifying
-   * `"zh-hk"` will also get supported `"yue-hk"` voices.
+   * to synthesize this language_code. For example, if you specify `"en-NZ"`,
+   * all `"en-NZ"` voices will be returned. If you specify `"no"`, both
+   * `"no-&#92;*"` (Norwegian) and `"nb-&#92;*"` (Norwegian Bokmal) voices will be
+   * returned.
    * </pre>
    *
    * <code>string language_code = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -504,11 +502,10 @@ public Builder mergeFrom(
      * [BCP-47](https://www.rfc-editor.org/rfc/bcp/bcp47.txt) language tag.
      * If not specified, the API will return all supported voices.
      * If specified, the ListVoices call will only return voices that can be used
-     * to synthesize this language_code. E.g. when specifying `"en-NZ"`, you will
-     * get supported `"en-NZ"` voices; when specifying `"no"`, you will get
-     * supported `"no-&#92;*"` (Norwegian) and `"nb-&#92;*"` (Norwegian Bokmal) voices;
-     * specifying `"zh"` will also get supported `"cmn-&#92;*"` voices; specifying
-     * `"zh-hk"` will also get supported `"yue-hk"` voices.
+     * to synthesize this language_code. For example, if you specify `"en-NZ"`,
+     * all `"en-NZ"` voices will be returned. If you specify `"no"`, both
+     * `"no-&#92;*"` (Norwegian) and `"nb-&#92;*"` (Norwegian Bokmal) voices will be
+     * returned.
      * </pre>
      *
      * <code>string language_code = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -534,11 +531,10 @@ public java.lang.String getLanguageCode() {
      * [BCP-47](https://www.rfc-editor.org/rfc/bcp/bcp47.txt) language tag.
      * If not specified, the API will return all supported voices.
      * If specified, the ListVoices call will only return voices that can be used
-     * to synthesize this language_code. E.g. when specifying `"en-NZ"`, you will
-     * get supported `"en-NZ"` voices; when specifying `"no"`, you will get
-     * supported `"no-&#92;*"` (Norwegian) and `"nb-&#92;*"` (Norwegian Bokmal) voices;
-     * specifying `"zh"` will also get supported `"cmn-&#92;*"` voices; specifying
-     * `"zh-hk"` will also get supported `"yue-hk"` voices.
+     * to synthesize this language_code. For example, if you specify `"en-NZ"`,
+     * all `"en-NZ"` voices will be returned. If you specify `"no"`, both
+     * `"no-&#92;*"` (Norwegian) and `"nb-&#92;*"` (Norwegian Bokmal) voices will be
+     * returned.
      * </pre>
      *
      * <code>string language_code = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -564,11 +560,10 @@ public com.google.protobuf.ByteString getLanguageCodeBytes() {
      * [BCP-47](https://www.rfc-editor.org/rfc/bcp/bcp47.txt) language tag.
      * If not specified, the API will return all supported voices.
      * If specified, the ListVoices call will only return voices that can be used
-     * to synthesize this language_code. E.g. when specifying `"en-NZ"`, you will
-     * get supported `"en-NZ"` voices; when specifying `"no"`, you will get
-     * supported `"no-&#92;*"` (Norwegian) and `"nb-&#92;*"` (Norwegian Bokmal) voices;
-     * specifying `"zh"` will also get supported `"cmn-&#92;*"` voices; specifying
-     * `"zh-hk"` will also get supported `"yue-hk"` voices.
+     * to synthesize this language_code. For example, if you specify `"en-NZ"`,
+     * all `"en-NZ"` voices will be returned. If you specify `"no"`, both
+     * `"no-&#92;*"` (Norwegian) and `"nb-&#92;*"` (Norwegian Bokmal) voices will be
+     * returned.
      * </pre>
      *
      * <code>string language_code = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -593,11 +588,10 @@ public Builder setLanguageCode(java.lang.String value) {
      * [BCP-47](https://www.rfc-editor.org/rfc/bcp/bcp47.txt) language tag.
      * If not specified, the API will return all supported voices.
      * If specified, the ListVoices call will only return voices that can be used
-     * to synthesize this language_code. E.g. when specifying `"en-NZ"`, you will
-     * get supported `"en-NZ"` voices; when specifying `"no"`, you will get
-     * supported `"no-&#92;*"` (Norwegian) and `"nb-&#92;*"` (Norwegian Bokmal) voices;
-     * specifying `"zh"` will also get supported `"cmn-&#92;*"` voices; specifying
-     * `"zh-hk"` will also get supported `"yue-hk"` voices.
+     * to synthesize this language_code. For example, if you specify `"en-NZ"`,
+     * all `"en-NZ"` voices will be returned. If you specify `"no"`, both
+     * `"no-&#92;*"` (Norwegian) and `"nb-&#92;*"` (Norwegian Bokmal) voices will be
+     * returned.
      * </pre>
      *
      * <code>string language_code = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -618,11 +612,10 @@ public Builder clearLanguageCode() {
      * [BCP-47](https://www.rfc-editor.org/rfc/bcp/bcp47.txt) language tag.
      * If not specified, the API will return all supported voices.
      * If specified, the ListVoices call will only return voices that can be used
-     * to synthesize this language_code. E.g. when specifying `"en-NZ"`, you will
-     * get supported `"en-NZ"` voices; when specifying `"no"`, you will get
-     * supported `"no-&#92;*"` (Norwegian) and `"nb-&#92;*"` (Norwegian Bokmal) voices;
-     * specifying `"zh"` will also get supported `"cmn-&#92;*"` voices; specifying
-     * `"zh-hk"` will also get supported `"yue-hk"` voices.
+     * to synthesize this language_code. For example, if you specify `"en-NZ"`,
+     * all `"en-NZ"` voices will be returned. If you specify `"no"`, both
+     * `"no-&#92;*"` (Norwegian) and `"nb-&#92;*"` (Norwegian Bokmal) voices will be
+     * returned.
      * </pre>
      *
      * <code>string language_code = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
diff --git a/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/ListVoicesRequestOrBuilder.java b/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/ListVoicesRequestOrBuilder.java
index 66177312..5acb975b 100644
--- a/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/ListVoicesRequestOrBuilder.java
+++ b/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/ListVoicesRequestOrBuilder.java
@@ -31,11 +31,10 @@ public interface ListVoicesRequestOrBuilder
    * [BCP-47](https://www.rfc-editor.org/rfc/bcp/bcp47.txt) language tag.
    * If not specified, the API will return all supported voices.
    * If specified, the ListVoices call will only return voices that can be used
-   * to synthesize this language_code. E.g. when specifying `"en-NZ"`, you will
-   * get supported `"en-NZ"` voices; when specifying `"no"`, you will get
-   * supported `"no-&#92;*"` (Norwegian) and `"nb-&#92;*"` (Norwegian Bokmal) voices;
-   * specifying `"zh"` will also get supported `"cmn-&#92;*"` voices; specifying
-   * `"zh-hk"` will also get supported `"yue-hk"` voices.
+   * to synthesize this language_code. For example, if you specify `"en-NZ"`,
+   * all `"en-NZ"` voices will be returned. If you specify `"no"`, both
+   * `"no-&#92;*"` (Norwegian) and `"nb-&#92;*"` (Norwegian Bokmal) voices will be
+   * returned.
    * </pre>
    *
    * <code>string language_code = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
@@ -51,11 +50,10 @@ public interface ListVoicesRequestOrBuilder
    * [BCP-47](https://www.rfc-editor.org/rfc/bcp/bcp47.txt) language tag.
    * If not specified, the API will return all supported voices.
    * If specified, the ListVoices call will only return voices that can be used
-   * to synthesize this language_code. E.g. when specifying `"en-NZ"`, you will
-   * get supported `"en-NZ"` voices; when specifying `"no"`, you will get
-   * supported `"no-&#92;*"` (Norwegian) and `"nb-&#92;*"` (Norwegian Bokmal) voices;
-   * specifying `"zh"` will also get supported `"cmn-&#92;*"` voices; specifying
-   * `"zh-hk"` will also get supported `"yue-hk"` voices.
+   * to synthesize this language_code. For example, if you specify `"en-NZ"`,
+   * all `"en-NZ"` voices will be returned. If you specify `"no"`, both
+   * `"no-&#92;*"` (Norwegian) and `"nb-&#92;*"` (Norwegian Bokmal) voices will be
+   * returned.
    * </pre>
    *
    * <code>string language_code = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
diff --git a/proto-google-cloud-texttospeech-v1beta1/src/main/proto/google/cloud/texttospeech/v1beta1/cloud_tts.proto b/proto-google-cloud-texttospeech-v1beta1/src/main/proto/google/cloud/texttospeech/v1beta1/cloud_tts.proto
index 55a62bf8..4fdd68b2 100644
--- a/proto-google-cloud-texttospeech-v1beta1/src/main/proto/google/cloud/texttospeech/v1beta1/cloud_tts.proto
+++ b/proto-google-cloud-texttospeech-v1beta1/src/main/proto/google/cloud/texttospeech/v1beta1/cloud_tts.proto
@@ -64,11 +64,10 @@ message ListVoicesRequest {
   // [BCP-47](https://www.rfc-editor.org/rfc/bcp/bcp47.txt) language tag.
   // If not specified, the API will return all supported voices.
   // If specified, the ListVoices call will only return voices that can be used
-  // to synthesize this language_code. E.g. when specifying `"en-NZ"`, you will
-  // get supported `"en-NZ"` voices; when specifying `"no"`, you will get
-  // supported `"no-\*"` (Norwegian) and `"nb-\*"` (Norwegian Bokmal) voices;
-  // specifying `"zh"` will also get supported `"cmn-\*"` voices; specifying
-  // `"zh-hk"` will also get supported `"yue-hk"` voices.
+  // to synthesize this language_code. For example, if you specify `"en-NZ"`,
+  // all `"en-NZ"` voices will be returned. If you specify `"no"`, both
+  // `"no-\*"` (Norwegian) and `"nb-\*"` (Norwegian Bokmal) voices will be
+  // returned.
   string language_code = 1 [(google.api.field_behavior) = OPTIONAL];
 }
 
diff --git a/samples/install-without-bom/pom.xml b/samples/install-without-bom/pom.xml
index 0e255389..8839d35e 100644
--- a/samples/install-without-bom/pom.xml
+++ b/samples/install-without-bom/pom.xml
@@ -14,7 +14,7 @@
   <parent>
     <groupId>com.google.cloud.samples</groupId>
     <artifactId>shared-configuration</artifactId>
-    <version>1.0.23</version>
+    <version>1.2.0</version>
   </parent>
 
   <properties>
@@ -29,7 +29,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-texttospeech</artifactId>
-      <version>2.0.6</version>
+      <version>2.1.0</version>
     </dependency>
     <!-- [END texttospeech_install_without_bom] -->
 
diff --git a/samples/pom.xml b/samples/pom.xml
index 86f4ba5d..1be8879e 100644
--- a/samples/pom.xml
+++ b/samples/pom.xml
@@ -18,7 +18,7 @@
   <parent>
     <groupId>com.google.cloud.samples</groupId>
     <artifactId>shared-configuration</artifactId>
-    <version>1.0.23</version>
+    <version>1.2.0</version>
   </parent>
 
   <properties>
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index 627baabf..0bff1cd9 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -14,7 +14,7 @@
   <parent>
     <groupId>com.google.cloud.samples</groupId>
     <artifactId>shared-configuration</artifactId>
-    <version>1.0.23</version>
+    <version>1.2.0</version>
   </parent>
 
   <properties>
@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-texttospeech</artifactId>
-      <version>2.1.0</version>
+      <version>2.1.1</version>
     </dependency>
     <!-- {x-version-update-end} -->
     <dependency>
diff --git a/samples/snippets/pom.xml b/samples/snippets/pom.xml
index 36805535..66bcc7cf 100644
--- a/samples/snippets/pom.xml
+++ b/samples/snippets/pom.xml
@@ -14,7 +14,7 @@
   <parent>
     <groupId>com.google.cloud.samples</groupId>
     <artifactId>shared-configuration</artifactId>
-    <version>1.0.23</version>
+    <version>1.2.0</version>
   </parent>
 
   <properties>
@@ -30,7 +30,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>libraries-bom</artifactId>
-        <version>24.0.0</version>
+        <version>24.1.2</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
diff --git a/versions.txt b/versions.txt
index 0a3dec2a..624ba150 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,8 +1,8 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-texttospeech:2.1.0:2.1.0
-grpc-google-cloud-texttospeech-v1beta1:0.90.0:0.90.0
-grpc-google-cloud-texttospeech-v1:2.1.0:2.1.0
-proto-google-cloud-texttospeech-v1:2.1.0:2.1.0
-proto-google-cloud-texttospeech-v1beta1:0.90.0:0.90.0
+google-cloud-texttospeech:2.1.1:2.1.1
+grpc-google-cloud-texttospeech-v1beta1:0.90.1:0.90.1
+grpc-google-cloud-texttospeech-v1:2.1.1:2.1.1
+proto-google-cloud-texttospeech-v1:2.1.1:2.1.1
+proto-google-cloud-texttospeech-v1beta1:0.90.1:0.90.1