diff --git a/appengine/standard_python3/redis/requirements.txt b/appengine/standard_python3/redis/requirements.txt
index adc27eedd1e..a5a3c6475b2 100644
--- a/appengine/standard_python3/redis/requirements.txt
+++ b/appengine/standard_python3/redis/requirements.txt
@@ -1,2 +1,2 @@
-Flask==2.1.0
+Flask==2.3.2
 redis==4.1.1