diff --git a/Gemfile.lock b/Gemfile.lock
index 17a69d946d..172c7e04b2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,9 +2,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     addressable (2.3.8)
-    ast (2.0.0)
-    astrolabe (1.3.0)
-      parser (>= 2.2.0.pre.3, < 3.0)
+    ast (2.4.2)
     codeclimate-test-reporter (0.4.7)
       simplecov (>= 0.7.1, < 1.0.0)
     crack (0.4.2)
@@ -12,10 +10,11 @@ GEM
     diff-lcs (1.2.5)
     docile (1.1.5)
     json (1.8.2)
-    parser (2.2.2.2)
-      ast (>= 1.1, < 3.0)
-    powerpack (0.1.1)
-    rainbow (2.0.0)
+    parser (2.7.2.0)
+      ast (~> 2.4.1)
+    powerpack (0.1.3)
+    rainbow (2.2.2)
+      rake
     rake (10.4.2)
     redcarpet (3.2.3)
     rspec (3.2.0)
@@ -31,14 +30,14 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.2.0)
     rspec-support (3.2.2)
-    rubocop (0.31.0)
-      astrolabe (~> 1.3)
-      parser (>= 2.2.2.1, < 3.0)
+    rubocop (0.48.1)
+      parser (>= 2.3.3.1, < 3.0)
       powerpack (~> 0.1)
       rainbow (>= 1.99.1, < 3.0)
-      ruby-progressbar (~> 1.4)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (~> 1.0, >= 1.0.1)
     rubocop-rspec (1.3.0)
-    ruby-progressbar (1.7.5)
+    ruby-progressbar (1.11.0)
     rubyzip (1.1.7)
     safe_yaml (1.0.4)
     simplecov (0.10.0)
@@ -47,6 +46,7 @@ GEM
       simplecov-html (~> 0.10.0)
     simplecov-html (0.10.0)
     tee (1.0.0)
+    unicode-display_width (1.7.0)
     webmock (1.21.0)
       addressable (>= 2.3.6)
       crack (>= 0.3.2)