diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 9c903fa..8f0e89b
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ backports-abc==0.5
 backports.shutil-get-terminal-size==1.0.0
 backports.ssl-match-hostname==3.5.0.1
 backports.weakref==1.0rc1
-bleach==1.5.0
+bleach==3.3.0
 boto==2.48.0
 certifi==2017.1.23
 cffi==1.11.2