diff --git a/requirements.txt b/requirements.txt
index fad80ab..d66e85a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ async-timeout==3.0.1
 attrs==18.2.0
 autobahn==19.2.1
 Automat==0.7.0
-bleach==3.1.0
+bleach==3.3.0
 build-utils==0.3.2
 certifi==2018.11.29
 channels==2.1.7