diff --git a/requirements.txt b/requirements.txt
index 957c8ec..90fe7f1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ absl-py==0.6.1
 astor==0.7.1
 astroid==2.1.0
 atari-py==0.1.7
-bleach==3.1.0
+bleach==3.3.0
 certifi==2018.11.29
 chardet==3.0.4
 cloudpickle==0.6.1