diff --git a/Gemfile.lock b/Gemfile.lock
index dbab758..f3366a0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -43,13 +43,11 @@ GEM
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.3.6)
-    multi_json (1.13.1)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     posix-spawn (0.3.13)
     public_suffix (4.0.3)
-    pygments.rb (1.2.1)
-      multi_json (>= 1.0.0)
+    pygments.rb (2.0.0)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.1)
       ffi (~> 1.0)