diff --git a/analysis_requirements.txt b/analysis_requirements.txt
index c485912..9cb0787 100644
--- a/analysis_requirements.txt
+++ b/analysis_requirements.txt
@@ -72,5 +72,5 @@ terminado==0.6
 testpath==0.3
 tornado==4.3
 traitlets==4.2.1
-Werkzeug==0.10.1
+Werkzeug==0.15.3
 widgetsnbextension==1.2.2
diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 56a7b55..6171449
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,6 +14,6 @@ PyYAML==3.11
 requests==2.9.1
 shellescape==3.4.1
 SQLAlchemy==0.9.8
-Werkzeug==0.10.1
+Werkzeug==0.15.3
 boto3==1.9.220
 xmltodict==0.12.0