diff --git a/Gemfile.lock b/Gemfile.lock
index 032240c..0e063a8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,7 +2,7 @@ PATH
   remote: .
   specs:
     rubocop-ergoserv (0.1.0)
-      rubocop (~> 0.80)
+      rubocop (= 0.81)
       rubocop-performance (~> 1.5.2)
       rubocop-rails (~> 2.4.2)
       rubocop-rake (~> 0.5.1)
@@ -11,21 +11,21 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    ast (2.4.0)
+    ast (2.4.2)
     coderay (1.1.2)
     diff-lcs (1.3)
     jaro_winkler (1.5.4)
     method_source (0.9.2)
-    parallel (1.19.1)
-    parser (2.7.0.4)
-      ast (~> 2.4.0)
+    parallel (1.20.1)
+    parser (3.0.1.0)
+      ast (~> 2.4.1)
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
-    rack (2.2.2)
+    rack (2.2.3)
     rainbow (3.0.0)
     rake (13.0.1)
-    rexml (3.2.4)
+    rexml (3.2.5)
     rspec (3.9.0)
       rspec-core (~> 3.9.0)
       rspec-expectations (~> 3.9.0)
@@ -40,14 +40,14 @@ GEM
       rspec-support (~> 3.9.0)
     rspec-shell-expectations (1.3.0)
     rspec-support (3.9.2)
-    rubocop (0.80.1)
+    rubocop (0.81.0)
       jaro_winkler (~> 1.5.1)
       parallel (~> 1.10)
       parser (>= 2.7.0.1)
       rainbow (>= 2.2.2, < 4.0)
       rexml
       ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 1.4.0, < 1.7)
+      unicode-display_width (>= 1.4.0, < 2.0)
     rubocop-performance (1.5.2)
       rubocop (>= 0.71.0)
     rubocop-rails (2.4.2)
@@ -57,8 +57,8 @@ GEM
       rubocop
     rubocop-rspec (1.38.1)
       rubocop (>= 0.68.1)
-    ruby-progressbar (1.10.1)
-    unicode-display_width (1.6.1)
+    ruby-progressbar (1.11.0)
+    unicode-display_width (1.7.0)
 
 PLATFORMS
   ruby