diff --git a/packages/google-cloud-containeranalysis/samples/snippets/requirements.txt b/packages/google-cloud-containeranalysis/samples/snippets/requirements.txt
index 2d83f723d3cb..c55dd073b3b4 100644
--- a/packages/google-cloud-containeranalysis/samples/snippets/requirements.txt
+++ b/packages/google-cloud-containeranalysis/samples/snippets/requirements.txt
@@ -1,4 +1,4 @@
-google-cloud-pubsub==2.1.0
+google-cloud-pubsub==2.2.0
 google-cloud-containeranalysis==2.1.0
 grafeas==1.0.1
 pytest==5.3.0; python_version > "3.0"