diff --git a/requirements.txt b/requirements.txt
index f6f5354ff2..7a398993a7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 Flask==0.11.1
 Werkzeug==0.11.11
 Jinja2==2.8
-itsdangerous==0.24
+itsdangerous==1.1.0
 click==6.6
 MarkupSafe==0.23
 pyOpenSSL==16.2.0