diff --git a/tests/docker/requirements.txt b/tests/docker/requirements.txt
index dc185944..0bb6f7b8 100644
--- a/tests/docker/requirements.txt
+++ b/tests/docker/requirements.txt
@@ -4,7 +4,7 @@ cachetools==4.2.4
 certifi==2026.4.22
 charset-normalizer==3.4.7
 click==8.1.2
-Flask==2.2.5
+Flask==2.3.3
 Flask-RESTful==0.3.10
 google-auth==2.3.3
 idna==3.15