diff --git a/samples/snippets/requirements-test.txt b/samples/snippets/requirements-test.txt
index aa57a68a2..2bf14b760 100644
--- a/samples/snippets/requirements-test.txt
+++ b/samples/snippets/requirements-test.txt
@@ -1,7 +1,8 @@
 backoff==2.2.1
 pytest===7.4.4; python_version == '3.7'
-pytest==8.3.4; python_version >= '3.8'
-mock==5.1.0
+pytest==8.3.5; python_version >= '3.8'
+mock==5.2.0
 flaky==3.8.1
-google-cloud-bigquery==3.27.0
-google-cloud-storage==2.19.0
+google-cloud-bigquery==3.30.0; python_version < '3.9'
+google-cloud-bigquery==3.33.0; python_version >= '3.9'
+google-cloud-storage==3.1.0
diff --git a/samples/snippets/requirements.txt b/samples/snippets/requirements.txt
index b6ae767c6..83202d4f8 100644
--- a/samples/snippets/requirements.txt
+++ b/samples/snippets/requirements.txt
@@ -1,10 +1,11 @@
-google-cloud-pubsub==2.28.0
+google-cloud-pubsub==2.29.0
 avro==1.12.0
 protobuf===4.24.4; python_version == '3.7'
-protobuf==5.29.2; python_version >= '3.8'
+protobuf===5.29.4; python_version == '3.8'
+protobuf==6.31.0; python_version >= '3.9'
 avro==1.12.0
 opentelemetry-api===1.22.0; python_version == '3.7'
 opentelemetry-sdk===1.22.0; python_version == '3.7'
-opentelemetry-api==1.29.0; python_version >= '3.8'
-opentelemetry-sdk==1.29.0; python_version >= '3.8'
-opentelemetry-exporter-gcp-trace==1.7.0
+opentelemetry-api==1.33.1; python_version >= '3.8'
+opentelemetry-sdk==1.33.1; python_version >= '3.8'
+opentelemetry-exporter-gcp-trace==1.9.0