diff --git a/src/eea.corpus/requirements.txt b/src/eea.corpus/requirements.txt
index 16425f8..697e087 100644
--- a/src/eea.corpus/requirements.txt
+++ b/src/eea.corpus/requirements.txt
@@ -101,7 +101,7 @@ wcwidth==0.1.7
 webencodings==0.5.1
 WebOb==1.7.3
 WebTest==2.0.28
-Werkzeug==0.12.2
+Werkzeug==0.15.3
 wordcloud==1.3.1
 wrapt==1.10.11
 zope.deprecation==4.3.0