diff --git a/Gemfile.lock b/Gemfile.lock
index 746d393..4013fa8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -13,7 +13,7 @@ GEM
       ruby2_keywords (~> 0.0.1)
     nio4r (2.5.8)
     parallel (1.22.1)
-    parser (3.2.0.0)
+    parser (3.2.2.0)
       ast (~> 2.4.1)
     pry (0.14.2)
       coderay (~> 1.1)
@@ -24,23 +24,23 @@ GEM
     rack-protection (3.0.5)
       rack
     rainbow (3.1.1)
-    regexp_parser (2.6.2)
+    regexp_parser (2.7.0)
     reline (0.3.3)
       io-console (~> 0.5)
     rexml (3.2.5)
-    rubocop (1.44.0)
+    rubocop (1.50.1)
       json (~> 2.3)
       parallel (~> 1.10)
       parser (>= 3.2.0.0)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml (>= 3.2.5, < 4.0)
-      rubocop-ast (>= 1.24.1, < 2.0)
+      rubocop-ast (>= 1.28.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.24.1)
-      parser (>= 3.1.1.0)
-    ruby-progressbar (1.11.0)
+    rubocop-ast (1.28.0)
+      parser (>= 3.2.1.0)
+    ruby-progressbar (1.13.0)
     ruby2_keywords (0.0.5)
     shotgun (0.9.2)
       rack (>= 1.0)