diff --git a/Gemfile.lock b/Gemfile.lock
index c454c59..217e6dd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -107,8 +107,8 @@ GEM
     nokogiri (1.6.7.1)
       mini_portile2 (~> 2.0.0.rc2)
     orm_adapter (0.5.0)
-    parser (2.2.3.0)
-      ast (>= 1.1, < 3.0)
+    parser (2.3.0.1)
+      ast (~> 2.2)
     pg (0.18.4)
     powerpack (0.1.1)
     puma (2.15.3)