diff --git a/requirements.txt b/requirements.txt
index ad8e133..d972458 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ Werkzeug==0.15.3
 absl-py==0.1.11
 astor==0.6.2
 backports.weakref==1.0.post1
-bleach==3.1.4
+bleach==3.3.0
 enum34==1.1.6
 funcsigs==1.0.2
 gast==0.2.0