diff --git a/requirements.txt b/requirements.txt
index c53c30e..ba61801 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ alembic==0.9.9
 asn1crypto==0.24.0
 astroid==1.6.1
 backports.functools-lru-cache==1.5
-bleach==2.1.2
+bleach==3.3.0
 blinker==1.4
 certifi==2018.1.18
 cffi==1.11.4