diff --git a/requirements.txt b/requirements.txt
index 46eb093..40ff09a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,5 +19,5 @@ simplejson==3.16.0
 six==1.12.0
 tqdm==4.28.1
 urllib3==1.24.1
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 wikidataintegrator==0.1.3