diff --git a/requirements.txt b/requirements.txt
index 9d8c8ce..028f884 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 atari-py==0.1.7
-bleach==3.1.0
+bleach==3.3.0
 chardet==3.0.4
 click==7.0
 cloudpickle==0.5.2