diff --git a/src/requirements.txt b/src/requirements.txt
index 6b89a31..ac7c1c7 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -16,7 +16,7 @@ redis==3.3.11
 requests==2.22.0
 six==1.12.0
 urllib3==1.26.5
-Werkzeug==0.16.0
+Werkzeug==2.2.3
 nexmo==2.4.0
 logdna==1.4.2
 pprint==0.1