diff --git a/samples/to_dataframe/requirements.txt b/samples/to_dataframe/requirements.txt
index 151995f8..bb7f7eb8 100644
--- a/samples/to_dataframe/requirements.txt
+++ b/samples/to_dataframe/requirements.txt
@@ -1,4 +1,4 @@
-google-auth==1.15.0
+google-auth==1.16.0
 google-cloud-bigquery-storage==0.8.0
 google-cloud-bigquery==1.24.0
 pyarrow==0.17.1