diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index b34878c..5b8da64
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 appdirs==1.4.3
 beautifulsoup4==4.5.3
-bleach==2.0.0
+bleach==3.3.0
 bottle==0.12.13
 certifi==2017.4.17
 click==6.7