diff --git a/samples/snippets/requirements-test.txt b/samples/snippets/requirements-test.txt
index 2e289363..cd155ec6 100644
--- a/samples/snippets/requirements-test.txt
+++ b/samples/snippets/requirements-test.txt
@@ -1,6 +1,6 @@
 attrs==23.2.0
 click==8.1.7
-google-auth==2.28.2
+google-auth==2.29.0
 google-cloud-testutils==1.4.0
 iniconfig==2.0.0
 packaging==24.0
diff --git a/samples/snippets/requirements.txt b/samples/snippets/requirements.txt
index cf732b57..ec5bf4dc 100644
--- a/samples/snippets/requirements.txt
+++ b/samples/snippets/requirements.txt
@@ -3,7 +3,7 @@ certifi==2024.2.2
 charset-normalizer==3.3.2
 geoalchemy2==0.14.6
 google-api-core[grpc]==2.17.1
-google-auth==2.28.2
+google-auth==2.29.0
 google-cloud-bigquery==3.19.0
 google-cloud-core==2.4.1
 google-crc32c==1.5.0
@@ -13,12 +13,12 @@ greenlet==3.0.3
 grpcio==1.62.1
 grpcio-status==1.62.1
 idna==3.6
-importlib-resources==6.3.0; python_version >= '3.8'
+importlib-resources==6.3.2; python_version >= '3.8'
 mako==1.3.2
 markupsafe==2.1.5
 packaging==24.0
 proto-plus==1.23.0
-protobuf==4.25.3
+protobuf===4.25.3
 pyasn1==0.5.1
 pyasn1-modules==0.3.0
 pyparsing==3.1.2