diff --git a/requirements.txt b/requirements.txt
index 7f61b795..f6283f38 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,5 +11,5 @@ pycodestyle==2.10.0
 pydocstyle==6.3.0
 requests==2.28.2
 Sphinx==6.1.3
-Werkzeug==2.2.3
+Werkzeug==2.3.4
 setuptools>=65.5.1 # not directly required, pinned by Snyk to avoid a vulnerability