diff --git a/packages/google-cloud-language/samples/snippets/api/requirements.txt b/packages/google-cloud-language/samples/snippets/api/requirements.txt
index 6e149081c31a..e25b0a8b96b2 100644
--- a/packages/google-cloud-language/samples/snippets/api/requirements.txt
+++ b/packages/google-cloud-language/samples/snippets/api/requirements.txt
@@ -1,3 +1,3 @@
 google-api-python-client==1.10.1
-google-auth==1.20.1
+google-auth==1.21.0
 google-auth-httplib2==0.0.4