diff --git a/py/requirements.txt b/py/requirements.txt
index 4097fe8..b63065e 100644
--- a/py/requirements.txt
+++ b/py/requirements.txt
@@ -4,7 +4,7 @@ astor==0.8.0
 attrs==19.1.0
 awscli==1.16.251
 backcall==0.1.0
-bleach==3.1.0
+bleach==3.3.0
 boto3==1.9.239
 botocore==1.12.241
 colorama==0.3.9