diff --git a/test/renderdiff/src/viewer_requirements.txt b/test/renderdiff/src/viewer_requirements.txt
index c6caef500e..579c119879 100644
--- a/test/renderdiff/src/viewer_requirements.txt
+++ b/test/renderdiff/src/viewer_requirements.txt
@@ -10,4 +10,4 @@ MarkupSafe==3.0.2
 requests==2.32.5
 urllib3==2.5.0
 waitress==3.0.2
-Werkzeug==3.1.3
+Werkzeug==3.1.4