diff --git a/requirements.txt b/requirements.txt
index e023dd6..408e714 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 absl-py==0.1.12
 astor==0.6.2
-bleach==3.1.4
+bleach==3.3.0
 gast==0.2.0
 grpcio==1.10.0
 html5lib==0.9999999