diff --git a/Gemfile.lock b/Gemfile.lock
index a664ec35..b2b475c8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -138,7 +138,7 @@ GEM
     rb-fsevent (0.11.1)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    regexp_parser (2.5.0)
+    regexp_parser (2.6.1)
     reline (0.3.1)
       io-console (~> 0.5)
     rest-client (2.1.0)
@@ -171,12 +171,12 @@ GEM
       rubocop-ast (>= 1.20.1, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 3.0)
-    rubocop-ast (1.21.0)
+    rubocop-ast (1.23.0)
       parser (>= 3.1.1.0)
-    rubocop-rails (2.15.2)
+    rubocop-rails (2.17.3)
       activesupport (>= 4.2.0)
       rack (>= 1.1)
-      rubocop (>= 1.7.0, < 2.0)
+      rubocop (>= 1.33.0, < 2.0)
     ruby-progressbar (1.11.0)
     shellany (0.0.1)
     simplecov (0.21.2)
@@ -201,7 +201,7 @@ GEM
     unf (0.1.4)
       unf_ext
     unf_ext (0.0.8.2)
-    unicode-display_width (2.2.0)
+    unicode-display_width (2.3.0)
     vcr (6.1.0)
     webmock (3.18.1)
       addressable (>= 2.8.0)