diff --git a/git_trophy_lambda/requirements.txt b/git_trophy_lambda/requirements.txt
index 0e3e39f..dbf7205 100644
--- a/git_trophy_lambda/requirements.txt
+++ b/git_trophy_lambda/requirements.txt
@@ -38,7 +38,7 @@ toml==0.10.2
 tqdm==4.52.0
 troposphere==2.6.3
 urllib3==1.26.2
-Werkzeug==0.16.1
+Werkzeug==0.15.3
 wsgi-request-logger==0.4.6
 zappa==0.52.0
 zipp==3.4.0
diff --git a/requirements.txt b/requirements.txt
index abe7729..e303db0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -38,6 +38,6 @@ tqdm==4.14.0
 troposphere==1.9.4
 Unidecode==0.4.21
 urllib3==1.22
-Werkzeug==0.12.2
+Werkzeug==0.15.3
 wsgi-request-logger==0.4.6
 zappa==0.43.1