diff --git a/Gemfile.lock b/Gemfile.lock
index 032240c..55ab1dd 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)
@@ -22,7 +22,7 @@ GEM
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
-    rack (2.2.2)
+    rack (3.0.4.1)
     rainbow (3.0.0)
     rake (13.0.1)
     rexml (3.2.4)
@@ -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)