diff --git a/samples/snippets/requirements-test.txt b/samples/snippets/requirements-test.txt
index ab0de59c1..43e018272 100644
--- a/samples/snippets/requirements-test.txt
+++ b/samples/snippets/requirements-test.txt
@@ -1,7 +1,7 @@
 backoff==2.2.1
 pytest===7.4.4; python_version == '3.7'
-pytest==8.1.1; python_version >= '3.8'
+pytest==8.2.2; python_version >= '3.8'
 mock==5.1.0
 flaky==3.8.1
-google-cloud-bigquery==3.20.1
-google-cloud-storage==2.16.0
+google-cloud-bigquery==3.25.0
+google-cloud-storage==2.17.0
diff --git a/samples/snippets/requirements.txt b/samples/snippets/requirements.txt
index 5ea08a511..9955737c3 100644
--- a/samples/snippets/requirements.txt
+++ b/samples/snippets/requirements.txt
@@ -1,5 +1,5 @@
-google-cloud-pubsub==2.21.1
+google-cloud-pubsub==2.21.5
 avro==1.11.3
 protobuf===4.24.4; python_version == '3.7'
-protobuf==4.25.2; python_version >= '3.8'
+protobuf==5.27.2; python_version >= '3.8'
 avro==1.11.3