diff --git a/samples/snippets/requirements.txt b/samples/snippets/requirements.txt
index 76053790..ee7e2a0d 100644
--- a/samples/snippets/requirements.txt
+++ b/samples/snippets/requirements.txt
@@ -1,3 +1,3 @@
-Flask==1.1.1
+Flask==1.1.2
 gunicorn==20.0.4
 google-cloud-scheduler==1.2.1