diff --git a/samples/snippets/requirements.txt b/samples/snippets/requirements.txt
index dbd83da5..911b1b1c 100644
--- a/samples/snippets/requirements.txt
+++ b/samples/snippets/requirements.txt
@@ -1,3 +1,3 @@
 google-cloud-bigquery-storage==2.9.1
-google-cloud-bigquery==2.28.0
+google-cloud-bigquery==2.28.1
 protobuf==3.18.1
diff --git a/samples/to_dataframe/requirements.txt b/samples/to_dataframe/requirements.txt
index c8cd8616..07ff6279 100644
--- a/samples/to_dataframe/requirements.txt
+++ b/samples/to_dataframe/requirements.txt
@@ -1,6 +1,6 @@
-google-auth==2.2.1
+google-auth==2.3.0
 google-cloud-bigquery-storage==2.9.1
-google-cloud-bigquery==2.28.0
+google-cloud-bigquery==2.28.1
 pyarrow==5.0.0
 ipython==7.24.0; python_version > '3.6'
 ipython==7.16.1; python_version <= '3.6'