diff --git a/requirements.txt b/requirements.txt
index 05c6126..ed0de86 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ asn1crypto==0.22.0
 backports-abc==0.5
 backports.shutil-get-terminal-size==1.0.0
 backports.ssl-match-hostname==3.4.0.2
-bleach==1.5.0
+bleach==3.1.2
 certifi==2017.7.27.1
 cffi==1.10.0
 chardet==3.0.4