Gemfile.lock in imgkit-1.3.10 vs Gemfile.lock in imgkit-1.4.0

@@ -1,8 +1,8 @@
 PATH
   remote: .
   specs:
-    imgkit (1.3.10)
+    imgkit (1.4.0)
 
 GEM
   remote: https://rubygems.org/
   specs:
     archive-tar-minitar (0.5.2)