diff --git a/rl/requirements.txt b/rl/requirements.txt
index 0e060a1..31f7330 100644
--- a/rl/requirements.txt
+++ b/rl/requirements.txt
@@ -39,5 +39,5 @@ tensorflow==1.5.0
 tensorflow-tensorboard==1.5.1
 tqdm==4.19.6
 urllib3==1.22
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 wrapt==1.10.11