diff --git a/scripts/security-harness b/scripts/security-harness
index d454f44dff7..c60b3410095 100755
--- a/scripts/security-harness
+++ b/scripts/security-harness
@@ -21,6 +21,8 @@ else
   File.open(hook_path, 'w') do |file|
     IO.copy_stream(DATA, file)
   end
+
+  File.chmod(0755, hook_path)
 end
 
 # Toggle the harness on or off