diff --git a/Gemfile.lock b/Gemfile.lock
index 12cf06c..502307f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -182,8 +182,8 @@ GEM
       nenv (~> 0.1)
       shellany (~> 0.0)
     parallel (1.12.1)
-    parser (2.4.0.2)
-      ast (~> 2.3)
+    parser (2.5.0.0)
+      ast (~> 2.4.0)
     poltergeist (1.17.0)
       capybara (~> 2.1)
       cliver (~> 0.3.1)