diff --git a/packages/ic-http-gateway/test-container/requirements.txt b/packages/ic-http-gateway/test-container/requirements.txt
index 4b80dbd..0791e8f 100644
--- a/packages/ic-http-gateway/test-container/requirements.txt
+++ b/packages/ic-http-gateway/test-container/requirements.txt
@@ -1,6 +1,6 @@
 blinker==1.8.2
 click==8.1.7
-Flask==3.0.3
+Flask==3.1.3
 itsdangerous==2.2.0
 Jinja2==3.1.4
 MarkupSafe==3.0.1