diff --git a/requirements.txt b/requirements.txt
index a69ec6b..0bbce97 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 absl-py==0.6.0
 astor==0.7.1
 backports.weakref==1.0.post1
-bleach==1.5.0
+bleach==3.1.4
 enum34==1.1.6
 funcsigs==1.0.2
 futures==3.2.0