diff --git a/requirements.txt b/requirements.txt
index 46174c8..6095247 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 absl-py==0.1.10
 astor==0.6.2
-bleach==1.5.0
+bleach==3.3.0
 cycler==0.10.0
 gast==0.2.0
 grpcio==1.9.1