diff --git a/.github/.OwlBot.lock.yaml b/.github/.OwlBot.lock.yaml
index 98994f4..ae4a522 100644
--- a/.github/.OwlBot.lock.yaml
+++ b/.github/.OwlBot.lock.yaml
@@ -13,5 +13,5 @@
 # limitations under the License.
 docker:
   image: gcr.io/cloud-devrel-public-resources/owlbot-python:latest
-  digest: sha256:2d816f26f728ac8b24248741e7d4c461c09764ef9f7be3684d557c9632e46dbd
-# created: 2023-06-28T17:03:33.371210701Z
+  digest: sha256:39f0f3f2be02ef036e297e376fe3b6256775576da8a6ccb1d5eeb80f4c8bf8fb
+# created: 2023-07-17T15:20:13.819193964Z
diff --git a/.github/auto-label.yaml b/.github/auto-label.yaml
index 41bff0b..b2016d1 100644
--- a/.github/auto-label.yaml
+++ b/.github/auto-label.yaml
@@ -1,4 +1,4 @@
-# Copyright 2022 Google LLC
+# Copyright 2023 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/.kokoro/build.sh b/.kokoro/build.sh
index 0394c8a..05618cb 100755
--- a/.kokoro/build.sh
+++ b/.kokoro/build.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2018 Google LLC
+# Copyright 2023 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/.kokoro/docker/docs/Dockerfile b/.kokoro/docker/docs/Dockerfile
index f8137d0..8e39a2c 100644
--- a/.kokoro/docker/docs/Dockerfile
+++ b/.kokoro/docker/docs/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2020 Google LLC
+# Copyright 2023 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/.kokoro/populate-secrets.sh b/.kokoro/populate-secrets.sh
index f525142..6f39721 100755
--- a/.kokoro/populate-secrets.sh
+++ b/.kokoro/populate-secrets.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2020 Google LLC.
+# Copyright 2023 Google LLC.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/.kokoro/publish-docs.sh b/.kokoro/publish-docs.sh
index 1c4d623..9eafe0b 100755
--- a/.kokoro/publish-docs.sh
+++ b/.kokoro/publish-docs.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2020 Google LLC
+# Copyright 2023 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/.kokoro/release.sh b/.kokoro/release.sh
index 697f7e6..b07000d 100755
--- a/.kokoro/release.sh
+++ b/.kokoro/release.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2020 Google LLC
+# Copyright 2023 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/.kokoro/requirements.txt b/.kokoro/requirements.txt
index c7929db..67d70a1 100644
--- a/.kokoro/requirements.txt
+++ b/.kokoro/requirements.txt
@@ -113,26 +113,30 @@
     --hash=sha256:452f9dc859be7f06631ddcb328b6919c67984aca654e5fefb3914d54691aed60 \
     --hash=sha256:da2f38c92590f83de410ba1a3cbceafbc74fee9def35f9251ba9a971d6d66fd9
     # via rich
-cryptography==41.0.0 \
-    --hash=sha256:0ddaee209d1cf1f180f1efa338a68c4621154de0afaef92b89486f5f96047c55 \
-    --hash=sha256:14754bcdae909d66ff24b7b5f166d69340ccc6cb15731670435efd5719294895 \
-    --hash=sha256:344c6de9f8bda3c425b3a41b319522ba3208551b70c2ae00099c205f0d9fd3be \
-    --hash=sha256:34d405ea69a8b34566ba3dfb0521379b210ea5d560fafedf9f800a9a94a41928 \
-    --hash=sha256:3680248309d340fda9611498a5319b0193a8dbdb73586a1acf8109d06f25b92d \
-    --hash=sha256:3c5ef25d060c80d6d9f7f9892e1d41bb1c79b78ce74805b8cb4aa373cb7d5ec8 \
-    --hash=sha256:4ab14d567f7bbe7f1cdff1c53d5324ed4d3fc8bd17c481b395db224fb405c237 \
-    --hash=sha256:5c1f7293c31ebc72163a9a0df246f890d65f66b4a40d9ec80081969ba8c78cc9 \
-    --hash=sha256:6b71f64beeea341c9b4f963b48ee3b62d62d57ba93eb120e1196b31dc1025e78 \
-    --hash=sha256:7d92f0248d38faa411d17f4107fc0bce0c42cae0b0ba5415505df72d751bf62d \
-    --hash=sha256:8362565b3835ceacf4dc8f3b56471a2289cf51ac80946f9087e66dc283a810e0 \
-    --hash=sha256:84a165379cb9d411d58ed739e4af3396e544eac190805a54ba2e0322feb55c46 \
-    --hash=sha256:88ff107f211ea696455ea8d911389f6d2b276aabf3231bf72c8853d22db755c5 \
-    --hash=sha256:9f65e842cb02550fac96536edb1d17f24c0a338fd84eaf582be25926e993dde4 \
-    --hash=sha256:a4fc68d1c5b951cfb72dfd54702afdbbf0fb7acdc9b7dc4301bbf2225a27714d \
-    --hash=sha256:b7f2f5c525a642cecad24ee8670443ba27ac1fab81bba4cc24c7b6b41f2d0c75 \
-    --hash=sha256:b846d59a8d5a9ba87e2c3d757ca019fa576793e8758174d3868aecb88d6fc8eb \
-    --hash=sha256:bf8fc66012ca857d62f6a347007e166ed59c0bc150cefa49f28376ebe7d992a2 \
-    --hash=sha256:f5d0bf9b252f30a31664b6f64432b4730bb7038339bd18b1fafe129cfc2be9be
+cryptography==41.0.2 \
+    --hash=sha256:01f1d9e537f9a15b037d5d9ee442b8c22e3ae11ce65ea1f3316a41c78756b711 \
+    --hash=sha256:079347de771f9282fbfe0e0236c716686950c19dee1b76240ab09ce1624d76d7 \
+    --hash=sha256:182be4171f9332b6741ee818ec27daff9fb00349f706629f5cbf417bd50e66fd \
+    --hash=sha256:192255f539d7a89f2102d07d7375b1e0a81f7478925b3bc2e0549ebf739dae0e \
+    --hash=sha256:2a034bf7d9ca894720f2ec1d8b7b5832d7e363571828037f9e0c4f18c1b58a58 \
+    --hash=sha256:342f3767e25876751e14f8459ad85e77e660537ca0a066e10e75df9c9e9099f0 \
+    --hash=sha256:439c3cc4c0d42fa999b83ded80a9a1fb54d53c58d6e59234cfe97f241e6c781d \
+    --hash=sha256:49c3222bb8f8e800aead2e376cbef687bc9e3cb9b58b29a261210456a7783d83 \
+    --hash=sha256:674b669d5daa64206c38e507808aae49904c988fa0a71c935e7006a3e1e83831 \
+    --hash=sha256:7a9a3bced53b7f09da251685224d6a260c3cb291768f54954e28f03ef14e3766 \
+    --hash=sha256:7af244b012711a26196450d34f483357e42aeddb04128885d95a69bd8b14b69b \
+    --hash=sha256:7d230bf856164de164ecb615ccc14c7fc6de6906ddd5b491f3af90d3514c925c \
+    --hash=sha256:84609ade00a6ec59a89729e87a503c6e36af98ddcd566d5f3be52e29ba993182 \
+    --hash=sha256:9a6673c1828db6270b76b22cc696f40cde9043eb90373da5c2f8f2158957f42f \
+    --hash=sha256:9b6d717393dbae53d4e52684ef4f022444fc1cce3c48c38cb74fca29e1f08eaa \
+    --hash=sha256:9c3fe6534d59d071ee82081ca3d71eed3210f76ebd0361798c74abc2bcf347d4 \
+    --hash=sha256:a719399b99377b218dac6cf547b6ec54e6ef20207b6165126a280b0ce97e0d2a \
+    --hash=sha256:b332cba64d99a70c1e0836902720887fb4529ea49ea7f5462cf6640e095e11d2 \
+    --hash=sha256:d124682c7a23c9764e54ca9ab5b308b14b18eba02722b8659fb238546de83a76 \
+    --hash=sha256:d73f419a56d74fef257955f51b18d046f3506270a5fd2ac5febbfa259d6c0fa5 \
+    --hash=sha256:f0dc40e6f7aa37af01aba07277d3d64d5a03dc66d682097541ec4da03cc140ee \
+    --hash=sha256:f14ad275364c8b4e525d018f6716537ae7b6d369c094805cae45300847e0894f \
+    --hash=sha256:f772610fe364372de33d76edcd313636a25684edb94cee53fd790195f5989d14
     # via
     #   gcp-releasetool
     #   secretstorage
diff --git a/.kokoro/test-samples-against-head.sh b/.kokoro/test-samples-against-head.sh
index ba3a707..63ac41d 100755
--- a/.kokoro/test-samples-against-head.sh
+++ b/.kokoro/test-samples-against-head.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2020 Google LLC
+# Copyright 2023 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/.kokoro/test-samples-impl.sh b/.kokoro/test-samples-impl.sh
index 2c6500c..5a0f5fa 100755
--- a/.kokoro/test-samples-impl.sh
+++ b/.kokoro/test-samples-impl.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2021 Google LLC
+# Copyright 2023 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/.kokoro/test-samples.sh b/.kokoro/test-samples.sh
index 11c042d..50b35a4 100755
--- a/.kokoro/test-samples.sh
+++ b/.kokoro/test-samples.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2020 Google LLC
+# Copyright 2023 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/.kokoro/trampoline.sh b/.kokoro/trampoline.sh
index f39236e..d85b1f2 100755
--- a/.kokoro/trampoline.sh
+++ b/.kokoro/trampoline.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2017 Google Inc.
+# Copyright 2023 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/.kokoro/trampoline_v2.sh b/.kokoro/trampoline_v2.sh
index 4af6cdc..59a7cf3 100755
--- a/.kokoro/trampoline_v2.sh
+++ b/.kokoro/trampoline_v2.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# Copyright 2020 Google LLC
+# Copyright 2023 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 5405cc8..9e3898f 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,4 +1,4 @@
-# Copyright 2021 Google LLC
+# Copyright 2023 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/.trampolinerc b/.trampolinerc
index 0eee72a..a7dfeb4 100644
--- a/.trampolinerc
+++ b/.trampolinerc
@@ -1,4 +1,4 @@
-# Copyright 2020 Google LLC
+# Copyright 2023 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -12,8 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# Template for .trampolinerc
-
 # Add required env vars here.
 required_envvars+=(
 )
diff --git a/MANIFEST.in b/MANIFEST.in
index e783f4c..e0a6670 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 #
-# Copyright 2020 Google LLC
+# Copyright 2023 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/docs/conf.py b/docs/conf.py
index 9a80171..588e983 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright 2021 Google LLC
+# Copyright 2023 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/scripts/decrypt-secrets.sh b/scripts/decrypt-secrets.sh
index 21f6d2a..0018b42 100755
--- a/scripts/decrypt-secrets.sh
+++ b/scripts/decrypt-secrets.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-# Copyright 2015 Google Inc. All rights reserved.
+# Copyright 2023 Google LLC All rights reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/scripts/readme-gen/readme_gen.py b/scripts/readme-gen/readme_gen.py
index 91b5967..1acc119 100644
--- a/scripts/readme-gen/readme_gen.py
+++ b/scripts/readme-gen/readme_gen.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 
-# Copyright 2016 Google Inc
+# Copyright 2023 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -33,17 +33,17 @@
     autoescape=True,
 )
 
-README_TMPL = jinja_env.get_template('README.tmpl.rst')
+README_TMPL = jinja_env.get_template("README.tmpl.rst")
 
 
 def get_help(file):
-    return subprocess.check_output(['python', file, '--help']).decode()
+    return subprocess.check_output(["python", file, "--help"]).decode()
 
 
 def main():
     parser = argparse.ArgumentParser()
-    parser.add_argument('source')
-    parser.add_argument('--destination', default='README.rst')
+    parser.add_argument("source")
+    parser.add_argument("--destination", default="README.rst")
 
     args = parser.parse_args()
 
@@ -51,9 +51,9 @@
     root = os.path.dirname(source)
     destination = os.path.join(root, args.destination)
 
-    jinja_env.globals['get_help'] = get_help
+    jinja_env.globals["get_help"] = get_help
 
-    with io.open(source, 'r') as f:
+    with io.open(source, "r") as f:
         config = yaml.load(f)
 
     # This allows get_help to execute in the right directory.
@@ -61,9 +61,9 @@
 
     output = README_TMPL.render(config)
 
-    with io.open(destination, 'w') as f:
+    with io.open(destination, "w") as f:
         f.write(output)
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     main()