diff --git a/Gemfile.lock b/Gemfile.lock
old mode 100755
new mode 100644
index ae82a62..38a8b80
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -32,8 +32,8 @@ GEM
     erubis (2.7.0)
     eventmachine (1.0.4)
     execjs (2.2.2)
-    ffi (1.9.6)
-    ffi (1.9.6-x86-mingw32)
+    ffi (1.13.1)
+    ffi (1.13.1-x86-mingw32)
     haml (4.0.6)
       tilt
     hike (1.2.3)