diff --git a/functions/comment_resolver/requirements.txt b/functions/comment_resolver/requirements.txt
index cbc45fa128..18922e9ebf 100644
--- a/functions/comment_resolver/requirements.txt
+++ b/functions/comment_resolver/requirements.txt
@@ -1,3 +1,3 @@
 bugbug==0.0.573
-Flask==2.2.5
+Flask==3.1.3
 functions-framework==3.5.0