diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index df82c2f..2535d2d
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ async-timeout==2.0.1
 atomicwrites==1.1.5
 attrs==18.1.0
 beautifulsoup4==4.6.0
-bleach==1.5.0
+bleach==3.3.0
 boto==2.48.0
 boto3==1.6.17
 botocore==1.9.17