diff --git a/Gemfile.lock b/Gemfile.lock
index 2c31dd7..48339cf 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,9 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    ast (2.1.0)
-    astrolabe (1.3.1)
-      parser (~> 2.2)
+    ast (2.4.2)
     byebug (4.0.5)
       columnize (= 0.9.0)
     coderay (1.1.1)
@@ -36,9 +34,10 @@ GEM
     notiffany (0.0.8)
       nenv (~> 0.1)
       shellany (~> 0.0)
-    parser (2.2.3.0)
-      ast (>= 1.1, < 3.0)
-    powerpack (0.1.1)
+    parallel (1.23.0)
+    parser (2.7.2.0)
+      ast (~> 2.4.1)
+    powerpack (0.1.3)
     pry (0.10.3)
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
@@ -46,7 +45,8 @@ GEM
     pry-byebug (3.1.0)
       byebug (~> 4.0)
       pry (~> 0.10)
-    rainbow (2.0.0)
+    rainbow (2.2.2)
+      rake
     rake (10.5.0)
     rake-n-bake (1.4.0)
       rake (~> 10)
@@ -67,14 +67,14 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.4.0)
     rspec-support (3.4.1)
-    rubocop (0.35.1)
-      astrolabe (~> 1.3)
-      parser (>= 2.2.3.0, < 3.0)
+    rubocop (0.49.0)
+      parallel (~> 1.10)
+      parser (>= 2.3.3.1, < 3.0)
       powerpack (~> 0.1)
       rainbow (>= 1.99.1, < 3.0)
       ruby-progressbar (~> 1.7)
-      tins (<= 1.6.0)
-    ruby-progressbar (1.7.5)
+      unicode-display_width (~> 1.0, >= 1.0.1)
+    ruby-progressbar (1.13.0)
     shellany (0.0.1)
     simplecov (0.9.2)
       docile (~> 1.1.0)
@@ -82,10 +82,13 @@ GEM
       simplecov-html (~> 0.9.0)
     simplecov-html (0.9.0)
     slop (3.6.0)
+    sync (0.5.0)
     term-ansicolor (1.3.2)
       tins (~> 1.0)
     thor (0.19.1)
-    tins (1.6.0)
+    tins (1.32.1)
+      sync
+    unicode-display_width (1.8.0)
 
 PLATFORMS
   ruby