diff --git a/requirements.txt b/requirements.txt
index cad7640..5f5a9c2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 appnope==0.1.0
 backcall==0.1.0
 backports.functools-lru-cache==1.5
-bleach==2.1.3
+bleach==3.3.0
 certifi==2018.4.16
 chardet==3.0.4
 cheroot==6.2.4