diff --git a/.coveragerc b/.coveragerc
index 11f8501..1fc7be8 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -5,6 +5,7 @@ branch = True
 show_missing = True
 omit =
     google/cloud/bigquery_logging/__init__.py
+    google/cloud/bigquery_logging/gapic_version.py
 exclude_lines =
     # Re-enable the standard pragma
     pragma: NO COVER
diff --git a/.github/.OwlBot.lock.yaml b/.github/.OwlBot.lock.yaml
index 889f77d..b8edda5 100644
--- a/.github/.OwlBot.lock.yaml
+++ b/.github/.OwlBot.lock.yaml
@@ -13,4 +13,4 @@
 # limitations under the License.
 docker:
   image: gcr.io/cloud-devrel-public-resources/owlbot-python:latest
-  digest: sha256:c43f1d918bcf817d337aa29ff833439494a158a0831508fda4ec75dc4c0d0320
+  digest: sha256:2e247c7bf5154df7f98cce087a20ca7605e236340c7d6d1a14447e5c06791bd6
diff --git a/.kokoro/requirements.in b/.kokoro/requirements.in
index cbd7e77..ec867d9 100644
--- a/.kokoro/requirements.in
+++ b/.kokoro/requirements.in
@@ -1,10 +1,10 @@
 gcp-docuploader
-gcp-releasetool
+gcp-releasetool>=1.10.5 # required for compatibility with cryptography>=39.x
 importlib-metadata
 typing-extensions
 twine
 wheel
 setuptools
-nox
+nox>=2022.11.21 # required to remove dependency on py
 charset-normalizer<3
 click<8.1.0
diff --git a/.kokoro/requirements.txt b/.kokoro/requirements.txt
index 05dc467..66a2172 100644
--- a/.kokoro/requirements.txt
+++ b/.kokoro/requirements.txt
@@ -1,6 +1,6 @@
 #
-# This file is autogenerated by pip-compile with python 3.10
-# To update, run:
+# This file is autogenerated by pip-compile with Python 3.9
+# by the following command:
 #
 #    pip-compile --allow-unsafe --generate-hashes requirements.in
 #
@@ -113,33 +113,28 @@ commonmark==0.9.1 \
     --hash=sha256:452f9dc859be7f06631ddcb328b6919c67984aca654e5fefb3914d54691aed60 \
     --hash=sha256:da2f38c92590f83de410ba1a3cbceafbc74fee9def35f9251ba9a971d6d66fd9
     # via rich
-cryptography==38.0.3 \
-    --hash=sha256:068147f32fa662c81aebab95c74679b401b12b57494872886eb5c1139250ec5d \
-    --hash=sha256:06fc3cc7b6f6cca87bd56ec80a580c88f1da5306f505876a71c8cfa7050257dd \
-    --hash=sha256:25c1d1f19729fb09d42e06b4bf9895212292cb27bb50229f5aa64d039ab29146 \
-    --hash=sha256:402852a0aea73833d982cabb6d0c3bb582c15483d29fb7085ef2c42bfa7e38d7 \
-    --hash=sha256:4e269dcd9b102c5a3d72be3c45d8ce20377b8076a43cbed6f660a1afe365e436 \
-    --hash=sha256:5419a127426084933076132d317911e3c6eb77568a1ce23c3ac1e12d111e61e0 \
-    --hash=sha256:554bec92ee7d1e9d10ded2f7e92a5d70c1f74ba9524947c0ba0c850c7b011828 \
-    --hash=sha256:5e89468fbd2fcd733b5899333bc54d0d06c80e04cd23d8c6f3e0542358c6060b \
-    --hash=sha256:65535bc550b70bd6271984d9863a37741352b4aad6fb1b3344a54e6950249b55 \
-    --hash=sha256:6ab9516b85bebe7aa83f309bacc5f44a61eeb90d0b4ec125d2d003ce41932d36 \
-    --hash=sha256:6addc3b6d593cd980989261dc1cce38263c76954d758c3c94de51f1e010c9a50 \
-    --hash=sha256:728f2694fa743a996d7784a6194da430f197d5c58e2f4e278612b359f455e4a2 \
-    --hash=sha256:785e4056b5a8b28f05a533fab69febf5004458e20dad7e2e13a3120d8ecec75a \
-    --hash=sha256:78cf5eefac2b52c10398a42765bfa981ce2372cbc0457e6bf9658f41ec3c41d8 \
-    --hash=sha256:7f836217000342d448e1c9a342e9163149e45d5b5eca76a30e84503a5a96cab0 \
-    --hash=sha256:8d41a46251bf0634e21fac50ffd643216ccecfaf3701a063257fe0b2be1b6548 \
-    --hash=sha256:984fe150f350a3c91e84de405fe49e688aa6092b3525f407a18b9646f6612320 \
-    --hash=sha256:9b24bcff7853ed18a63cfb0c2b008936a9554af24af2fb146e16d8e1aed75748 \
-    --hash=sha256:b1b35d9d3a65542ed2e9d90115dfd16bbc027b3f07ee3304fc83580f26e43249 \
-    --hash=sha256:b1b52c9e5f8aa2b802d48bd693190341fae201ea51c7a167d69fc48b60e8a959 \
-    --hash=sha256:bbf203f1a814007ce24bd4d51362991d5cb90ba0c177a9c08825f2cc304d871f \
-    --hash=sha256:be243c7e2bfcf6cc4cb350c0d5cdf15ca6383bbcb2a8ef51d3c9411a9d4386f0 \
-    --hash=sha256:bfbe6ee19615b07a98b1d2287d6a6073f734735b49ee45b11324d85efc4d5cbd \
-    --hash=sha256:c46837ea467ed1efea562bbeb543994c2d1f6e800785bd5a2c98bc096f5cb220 \
-    --hash=sha256:dfb4f4dd568de1b6af9f4cda334adf7d72cf5bc052516e1b2608b683375dd95c \
-    --hash=sha256:ed7b00096790213e09eb11c97cc6e2b757f15f3d2f85833cd2d3ec3fe37c1722
+cryptography==39.0.1 \
+    --hash=sha256:0f8da300b5c8af9f98111ffd512910bc792b4c77392a9523624680f7956a99d4 \
+    --hash=sha256:35f7c7d015d474f4011e859e93e789c87d21f6f4880ebdc29896a60403328f1f \
+    --hash=sha256:5aa67414fcdfa22cf052e640cb5ddc461924a045cacf325cd164e65312d99502 \
+    --hash=sha256:5d2d8b87a490bfcd407ed9d49093793d0f75198a35e6eb1a923ce1ee86c62b41 \
+    --hash=sha256:6687ef6d0a6497e2b58e7c5b852b53f62142cfa7cd1555795758934da363a965 \
+    --hash=sha256:6f8ba7f0328b79f08bdacc3e4e66fb4d7aab0c3584e0bd41328dce5262e26b2e \
+    --hash=sha256:706843b48f9a3f9b9911979761c91541e3d90db1ca905fd63fee540a217698bc \
+    --hash=sha256:807ce09d4434881ca3a7594733669bd834f5b2c6d5c7e36f8c00f691887042ad \
+    --hash=sha256:83e17b26de248c33f3acffb922748151d71827d6021d98c70e6c1a25ddd78505 \
+    --hash=sha256:96f1157a7c08b5b189b16b47bc9db2332269d6680a196341bf30046330d15388 \
+    --hash=sha256:aec5a6c9864be7df2240c382740fcf3b96928c46604eaa7f3091f58b878c0bb6 \
+    --hash=sha256:b0afd054cd42f3d213bf82c629efb1ee5f22eba35bf0eec88ea9ea7304f511a2 \
+    --hash=sha256:ced4e447ae29ca194449a3f1ce132ded8fcab06971ef5f618605aacaa612beac \
+    --hash=sha256:d1f6198ee6d9148405e49887803907fe8962a23e6c6f83ea7d98f1c0de375695 \
+    --hash=sha256:e124352fd3db36a9d4a21c1aa27fd5d051e621845cb87fb851c08f4f75ce8be6 \
+    --hash=sha256:e422abdec8b5fa8462aa016786680720d78bdce7a30c652b7fadf83a4ba35336 \
+    --hash=sha256:ef8b72fa70b348724ff1218267e7f7375b8de4e8194d1636ee60510aae104cd0 \
+    --hash=sha256:f0c64d1bd842ca2633e74a1a28033d139368ad959872533b1bab8c80e8240a0c \
+    --hash=sha256:f24077a3b5298a5a06a8e0536e3ea9ec60e4c7ac486755e5fb6e6ea9b3500106 \
+    --hash=sha256:fdd188c8a6ef8769f148f88f859884507b954cc64db6b52f66ef199bb9ad660a \
+    --hash=sha256:fe913f20024eb2cb2f323e42a64bdf2911bb9738a15dba7d3cce48151034e3a8
     # via
     #   gcp-releasetool
     #   secretstorage
@@ -159,9 +154,9 @@ gcp-docuploader==0.6.4 \
     --hash=sha256:01486419e24633af78fd0167db74a2763974765ee8078ca6eb6964d0ebd388af \
     --hash=sha256:70861190c123d907b3b067da896265ead2eeb9263969d6955c9e0bb091b5ccbf
     # via -r requirements.in
-gcp-releasetool==1.10.0 \
-    --hash=sha256:72a38ca91b59c24f7e699e9227c90cbe4dd71b789383cb0164b088abae294c83 \
-    --hash=sha256:8c7c99320208383d4bb2b808c6880eb7a81424afe7cdba3c8d84b25f4f0e097d
+gcp-releasetool==1.10.5 \
+    --hash=sha256:174b7b102d704b254f2a26a3eda2c684fd3543320ec239baf771542a2e58e109 \
+    --hash=sha256:e29d29927fe2ca493105a82958c6873bb2b90d503acac56be2c229e74de0eec9
     # via -r requirements.in
 google-api-core==2.10.2 \
     --hash=sha256:10c06f7739fe57781f87523375e8e1a3a4674bf6392cd6131a3222182b971320 \
@@ -340,9 +335,9 @@ more-itertools==9.0.0 \
     --hash=sha256:250e83d7e81d0c87ca6bd942e6aeab8cc9daa6096d12c5308f3f92fa5e5c1f41 \
     --hash=sha256:5a6257e40878ef0520b1803990e3e22303a41b5714006c32a3fd8304b26ea1ab
     # via jaraco-classes
-nox==2022.8.7 \
-    --hash=sha256:1b894940551dc5c389f9271d197ca5d655d40bdc6ccf93ed6880e4042760a34b \
-    --hash=sha256:96cca88779e08282a699d672258ec01eb7c792d35bbbf538c723172bce23212c
+nox==2022.11.21 \
+    --hash=sha256:0e41a990e290e274cb205a976c4c97ee3c5234441a8132c8c3fd9ea3c22149eb \
+    --hash=sha256:e21c31de0711d1274ca585a2c5fde36b1aa962005ba8e9322bf5eeed16dcd684
     # via -r requirements.in
 packaging==21.3 \
     --hash=sha256:dd47c42927d89ab911e606518907cc2d3a1f38bbd026385970643f9c5b8ecfeb \
@@ -385,10 +380,6 @@ protobuf==3.20.3 \
     #   gcp-docuploader
     #   gcp-releasetool
     #   google-api-core
-py==1.11.0 \
-    --hash=sha256:51c75c4126074b472f746a24399ad32f6053d1b34b68d2fa41e558e6f4a98719 \
-    --hash=sha256:607c53218732647dff4acdfcd50cb62615cedf612e72d1724fb1a0cc6405b378
-    # via nox
 pyasn1==0.4.8 \
     --hash=sha256:39c7e2ec30515947ff4e87fb6f456dfc6e84857d34be479c9d4a4ba4bf46aa5d \
     --hash=sha256:aef77c9fb94a3ac588e87841208bdec464471d9871bd5050a287cc9a475cd0ba
diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 19ab24a..c54e7af 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,4 +1,4 @@
 {
-    ".": "1.2.0"
+    ".": "1.2.1"
 }
   
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 93669e8..711d3bf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.2.1](https://github.com/googleapis/python-bigquery-logging/compare/v1.2.0...v1.2.1) (2023-04-01)
+
+
+### Documentation
+
+* Mark ReservationResourceUsage field as deprecated ([#146](https://github.com/googleapis/python-bigquery-logging/issues/146)) ([01b1ebc](https://github.com/googleapis/python-bigquery-logging/commit/01b1ebc8d685b70d9057c5defff496ab7547b1ca))
+
 ## [1.2.0](https://github.com/googleapis/python-bigquery-logging/compare/v1.1.0...v1.2.0) (2023-01-10)
 
 
diff --git a/google/cloud/bigquery_logging/gapic_version.py b/google/cloud/bigquery_logging/gapic_version.py
index 8f031bd..ce5529b 100644
--- a/google/cloud/bigquery_logging/gapic_version.py
+++ b/google/cloud/bigquery_logging/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "1.2.0"  # {x-release-please-version}
+__version__ = "1.2.1"  # {x-release-please-version}
diff --git a/google/cloud/bigquery_logging_v1/__init__.py b/google/cloud/bigquery_logging_v1/__init__.py
index 62576d2..1bd01e5 100644
--- a/google/cloud/bigquery_logging_v1/__init__.py
+++ b/google/cloud/bigquery_logging_v1/__init__.py
@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from google.cloud.bigquery_logging import gapic_version as package_version
+from google.cloud.bigquery_logging_v1 import gapic_version as package_version
 
 __version__ = package_version.__version__
 
diff --git a/google/cloud/bigquery_logging_v1/gapic_version.py b/google/cloud/bigquery_logging_v1/gapic_version.py
new file mode 100644
index 0000000..ce5529b
--- /dev/null
+++ b/google/cloud/bigquery_logging_v1/gapic_version.py
@@ -0,0 +1,16 @@
+# -*- coding: utf-8 -*-
+# Copyright 2022 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+__version__ = "1.2.1"  # {x-release-please-version}
diff --git a/google/cloud/bigquery_logging_v1/types/audit_data.py b/google/cloud/bigquery_logging_v1/types/audit_data.py
index 7a0a0ad..3e1e523 100644
--- a/google/cloud/bigquery_logging_v1/types/audit_data.py
+++ b/google/cloud/bigquery_logging_v1/types/audit_data.py
@@ -13,6 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+from __future__ import annotations
+
 from typing import MutableMapping, MutableSequence
 
 from google.iam.v1 import iam_policy_pb2  # type: ignore
@@ -1284,7 +1286,11 @@ class JobStatistics(proto.Message):
             The total number of slot-ms consumed by the
             query job.
         reservation_usage (MutableSequence[google.cloud.bigquery_logging_v1.types.JobStatistics.ReservationResourceUsage]):
-            Reservation usage.
+            Reservation usage. This field reported
+            misleading information and will no longer be
+            populated. Aggregate usage of all jobs submitted
+            to a reservation should provide a more reliable
+            indicator of reservation imbalance.
         referenced_tables (MutableSequence[google.cloud.bigquery_logging_v1.types.TableName]):
             The first N tables accessed by the query job. Older queries
             that reference a large number of tables may not have all of
diff --git a/noxfile.py b/noxfile.py
index e716318..95e58c5 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -189,9 +189,9 @@ def unit(session):
 def install_systemtest_dependencies(session, *constraints):
 
     # Use pre-release gRPC for system tests.
-    # Exclude version 1.49.0rc1 which has a known issue.
-    # See https://github.com/grpc/grpc/pull/30642
-    session.install("--pre", "grpcio!=1.49.0rc1")
+    # Exclude version 1.52.0rc1 which has a known issue.
+    # See https://github.com/grpc/grpc/issues/32163
+    session.install("--pre", "grpcio!=1.52.0rc1")
 
     session.install(*SYSTEM_TEST_STANDARD_DEPENDENCIES, *constraints)
 
@@ -346,9 +346,7 @@ def prerelease_deps(session):
     unit_deps_all = UNIT_TEST_STANDARD_DEPENDENCIES + UNIT_TEST_EXTERNAL_DEPENDENCIES
     session.install(*unit_deps_all)
     system_deps_all = (
-        SYSTEM_TEST_STANDARD_DEPENDENCIES
-        + SYSTEM_TEST_EXTERNAL_DEPENDENCIES
-        + SYSTEM_TEST_EXTRAS
+        SYSTEM_TEST_STANDARD_DEPENDENCIES + SYSTEM_TEST_EXTERNAL_DEPENDENCIES
     )
     session.install(*system_deps_all)
 
@@ -378,8 +376,8 @@ def prerelease_deps(session):
         # dependency of grpc
         "six",
         "googleapis-common-protos",
-        # Exclude version 1.49.0rc1 which has a known issue. See https://github.com/grpc/grpc/pull/30642
-        "grpcio!=1.49.0rc1",
+        # Exclude version 1.52.0rc1 which has a known issue. See https://github.com/grpc/grpc/issues/32163
+        "grpcio!=1.52.0rc1",
         "grpcio-status",
         "google-api-core",
         "proto-plus",
diff --git a/release-please-config.json b/release-please-config.json
index f3404bf..668695f 100644
--- a/release-please-config.json
+++ b/release-please-config.json
@@ -4,7 +4,8 @@
       ".": {
         "release-type": "python",
         "extra-files": [
-          "google/cloud/bigquery_logging/gapic_version.py"
+          "google/cloud/bigquery_logging/gapic_version.py",
+          "google/cloud/bigquery_logging_v1/gapic_version.py"
         ]
       }
     },
@@ -16,4 +17,4 @@
     ],
     "initial-version": "0.1.0"
 }
-  
\ No newline at end of file
+  
diff --git a/setup.py b/setup.py
index 61c77fc..1c04b59 100644
--- a/setup.py
+++ b/setup.py
@@ -42,7 +42,7 @@
     "proto-plus >= 1.22.0, <2.0.0dev",
     "proto-plus >= 1.22.2, <2.0.0dev; python_version>='3.11'",
     "protobuf>=3.19.5,<5.0.0dev,!=3.20.0,!=3.20.1,!=4.21.0,!=4.21.1,!=4.21.2,!=4.21.3,!=4.21.4,!=4.21.5",
-    "grpc-google-iam-v1 >= 0.12.4, < 1.0.0dev",
+    "grpc-google-iam-v1 >= 0.12.4, <1.0.0dev",
 ]
 url = "https://github.com/googleapis/python-bigquery-logging"
 
@@ -58,9 +58,7 @@
     if package.startswith("google")
 ]
 
-namespaces = ["google"]
-if "google.cloud" in packages:
-    namespaces.append("google.cloud")
+namespaces = ["google", "google.cloud"]
 
 setuptools.setup(
     name=name,