diff --git a/requirements.txt b/requirements.txt
index bd676a94c4..4864ec8b1b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ email_reply_parser
 click
 num2words==0.5.5
 watchdog==0.8.0
-bleach
+bleach==2.1.4
 bleach-whitelist
 Pillow
 beautifulsoup4