diff --git a/requirements.txt b/requirements.txt
index e244ad5..012124e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 absl-py==0.2.2
 astor==0.6.2
-bleach==3.1.4
+bleach==3.3.0
 cycler==0.10.0
 gast==0.2.0
 grpcio==1.13.0