diff --git a/requirements.txt b/requirements.txt
index 669114e..958d2bf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,4 +22,4 @@ six==1.12.0
 sklearn==0.0
 git+https://github.com/sevamoo/SOMPY.git
 umap-learn==0.3.8
-Werkzeug==0.15.2
+Werkzeug==2.2.3