diff --git a/compute/encryption/requirements.txt b/compute/encryption/requirements.txt
index 11d34e1845c..64b8d305b74 100644
--- a/compute/encryption/requirements.txt
+++ b/compute/encryption/requirements.txt
@@ -1,4 +1,4 @@
-cryptography==3.1.1
+cryptography==3.2.1
 requests==2.24.0
 google-api-python-client==1.12.5
 google-auth==1.22.1
diff --git a/iap/requirements.txt b/iap/requirements.txt
index 9d787715cfd..ea2f299fe8e 100644
--- a/iap/requirements.txt
+++ b/iap/requirements.txt
@@ -1,4 +1,4 @@
-cryptography==3.1.1
+cryptography==3.2.1
 flask==1.1.2
 google-auth==1.22.1
 gunicorn==20.0.4
diff --git a/iot/api-client/codelabs/requirements.txt b/iot/api-client/codelabs/requirements.txt
index 9e94541b064..2ec9ac23562 100644
--- a/iot/api-client/codelabs/requirements.txt
+++ b/iot/api-client/codelabs/requirements.txt
@@ -1,3 +1,3 @@
-cryptography==3.1.1
+cryptography==3.2.1
 paho-mqtt==1.5.1
 pyjwt==1.7.1
diff --git a/iot/api-client/end_to_end_example/requirements.txt b/iot/api-client/end_to_end_example/requirements.txt
index c1d3b951ca0..d72930c5d0e 100644
--- a/iot/api-client/end_to_end_example/requirements.txt
+++ b/iot/api-client/end_to_end_example/requirements.txt
@@ -1,4 +1,4 @@
-cryptography==3.1.1
+cryptography==3.2.1
 google-api-python-client==1.12.5
 google-auth-httplib2==0.0.4
 google-auth==1.22.1
diff --git a/iot/api-client/gcs_file_to_device/requirements.txt b/iot/api-client/gcs_file_to_device/requirements.txt
index 5dc3d5b0947..40c53c50350 100644
--- a/iot/api-client/gcs_file_to_device/requirements.txt
+++ b/iot/api-client/gcs_file_to_device/requirements.txt
@@ -4,6 +4,6 @@ google-auth-httplib2==0.0.4
 google-cloud-iot==2.0.1
 google-cloud-pubsub==1.7.0
 google-cloud-storage==1.32.0
-cryptography==3.1.1
+cryptography==3.2.1
 paho-mqtt==1.5.1
 pyjwt==1.7.1
diff --git a/iot/api-client/http_example/requirements.txt b/iot/api-client/http_example/requirements.txt
index 740e01a021f..fb7a2696714 100644
--- a/iot/api-client/http_example/requirements.txt
+++ b/iot/api-client/http_example/requirements.txt
@@ -1,4 +1,4 @@
-cryptography==3.1.1
+cryptography==3.2.1
 google-api-python-client==1.12.5
 google-auth-httplib2==0.0.4
 google-auth==1.22.1
diff --git a/iot/api-client/mqtt_example/requirements.txt b/iot/api-client/mqtt_example/requirements.txt
index c6194d73dc4..3c09de3c144 100644
--- a/iot/api-client/mqtt_example/requirements.txt
+++ b/iot/api-client/mqtt_example/requirements.txt
@@ -1,4 +1,4 @@
-cryptography==3.1.1
+cryptography==3.2.1
 google-api-python-client==1.12.5
 google-auth-httplib2==0.0.4
 google-auth==1.22.1