diff --git a/Gemfile b/Gemfile
index 1f5f3c3..672e6d7 100644
--- a/Gemfile
+++ b/Gemfile
@@ -17,9 +17,9 @@ end
 
 group :development do
   # code style
-  gem "rubocop",        "0.36.0"
+  gem "rubocop",        "0.37.2"
   gem "pronto",         "0.5.3"
-  gem "pronto-rubocop", "0.5.2", require: false
+  gem "pronto-rubocop", "0.5.3", require: false
 
   # debugging
   gem "pry"
diff --git a/Gemfile.lock b/Gemfile.lock
index 5b508ae..2230842 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -146,7 +146,7 @@ GEM
       rspec (>= 2.99, >= 2.14.2, < 4)
     octokit (4.1.1)
       sawyer (~> 0.6.0, >= 0.5.3)
-    parser (2.3.0.4)
+    parser (2.3.0.6)
       ast (~> 2.2)
     powerpack (0.1.1)
     pronto (0.5.3)
@@ -154,9 +154,9 @@ GEM
       octokit (~> 4.1.0)
       rugged (~> 0.23.0)
       thor (~> 0.19.0)
-    pronto-rubocop (0.5.2)
+    pronto-rubocop (0.5.3)
       pronto (~> 0.5.0)
-      rubocop (~> 0.36.0)
+      rubocop (~> 0.37.0)
     pry (0.10.3)
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
@@ -221,11 +221,12 @@ GEM
       rspec-mocks (~> 3.4.0)
       rspec-support (~> 3.4.0)
     rspec-support (3.4.1)
-    rubocop (0.36.0)
-      parser (>= 2.3.0.0, < 3.0)
+    rubocop (0.37.2)
+      parser (>= 2.3.0.4, < 3.0)
       powerpack (~> 0.1)
       rainbow (>= 1.99.1, < 3.0)
       ruby-progressbar (~> 1.7)
+      unicode-display_width (~> 0.3)
     ruby-progressbar (1.7.5)
     rugged (0.23.3)
     safe_yaml (1.0.4)
@@ -263,6 +264,7 @@ GEM
       ethon (>= 0.8.0)
     tzinfo (1.2.2)
       thread_safe (~> 0.1)
+    unicode-display_width (0.3.1)
     uuid (2.3.8)
       macaddr (~> 1.0)
     valid (1.1.0)
@@ -288,13 +290,13 @@ DEPENDENCIES
   logging-rails (= 0.5.0)
   nyan-cat-formatter
   pronto (= 0.5.3)
-  pronto-rubocop (= 0.5.2)
+  pronto-rubocop (= 0.5.3)
   pry
   pry-byebug
   pry-debundle
   rspec-collection_matchers (~> 1.1.2)
   rspec-rails (~> 3.4.1)
-  rubocop (= 0.36.0)
+  rubocop (= 0.37.2)
   simplecov (= 0.11.2)
   simplecov-rcov (= 0.2.3)
   spring