diff --git a/setup.py b/setup.py
old mode 100755
new mode 100644
--- a/setup.py
+++ b/setup.py
@@ -60,6 +60,7 @@ requirements = [
     "mercurial >= 4.1.1, < 4.9",
     "decorator >= 3.3.2, < 4.4",
     "Paste >= 2.0.3, < 3",
+    "bleach >= 3.0, < 3.1",
 ]
 
 if sys.version_info < (2, 7):