diff --git a/pip-requirements.txt b/pip-requirements.txt
index acdc494..34df3c4 100644
--- a/pip-requirements.txt
+++ b/pip-requirements.txt
@@ -1,7 +1,7 @@
 absl-py==0.2.2
 astor==0.6.2
 backports.weakref==1.0.post1
-bleach==1.5.0
+bleach==3.1.4
 certifi==2018.4.16
 chardet==3.0.4
 enum34==1.1.6