diff --git a/requirements.txt b/requirements.txt
index 396cab9..7c7e5ef 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 absl-py==0.8.0
 astor==0.8.0
-bleach==1.5.0
+bleach==3.3.0
 gast==0.3.2
 google-pasta==0.1.7
 grpcio==1.23.0