diff --git a/Gemfile b/Gemfile
index 7cedc733..f21b08a8 100644
--- a/Gemfile
+++ b/Gemfile
@@ -11,7 +11,7 @@ end
 
 group :test do
   gem 'rails-controller-testing', '~> 1.0.5'
-  gem 'rubocop', '~> 1.31.2'
+  gem 'rubocop', '~> 1.48.0'
   gem 'rubocop-performance'
   gem 'simplecov', require: false
   gem 'puma'
diff --git a/Gemfile.lock b/Gemfile.lock
index 553d3fa5..2a4c9fba 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -78,7 +78,7 @@ GEM
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
-    json (2.6.2)
+    json (2.6.3)
     libv8 (3.16.14.19)
     listen (3.7.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
@@ -116,7 +116,7 @@ GEM
       mimemagic (~> 0.3.0)
       terrapin (~> 0.6.0)
     parallel (1.22.1)
-    parser (3.1.2.0)
+    parser (3.2.1.0)
       ast (~> 2.4.1)
     passenger (6.0.14)
       rack
@@ -175,29 +175,29 @@ GEM
       json
     redcarpet (3.5.1)
     ref (2.0.0)
-    regexp_parser (2.5.0)
+    regexp_parser (2.7.0)
     responders (3.0.1)
       actionpack (>= 5.0)
       railties (>= 5.0)
     rexml (3.2.5)
     rmagick (4.2.6)
-    rubocop (1.31.2)
+    rubocop (1.48.0)
       json (~> 2.3)
       parallel (~> 1.10)
-      parser (>= 3.1.0.0)
+      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 (>= 1.18.0, < 2.0)
+      rubocop-ast (>= 1.26.0, < 2.0)
       ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 1.4.0, < 3.0)
-    rubocop-ast (1.19.1)
-      parser (>= 3.1.1.0)
+      unicode-display_width (>= 2.4.0, < 3.0)
+    rubocop-ast (1.27.0)
+      parser (>= 3.2.1.0)
     rubocop-performance (1.14.3)
       rubocop (>= 1.7.0, < 2.0)
       rubocop-ast (>= 0.4.0)
     ruby-openid (2.9.2)
-    ruby-progressbar (1.11.0)
+    ruby-progressbar (1.13.0)
     rubyzip (2.3.2)
     selenium-webdriver (3.142.7)
       childprocess (>= 0.5, < 4.0)
@@ -228,7 +228,7 @@ GEM
       thread_safe (~> 0.1)
     uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)
-    unicode-display_width (2.2.0)
+    unicode-display_width (2.4.2)
     websocket-driver (0.7.5)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)
@@ -264,7 +264,7 @@ DEPENDENCIES
   redcarpet (~> 3.5.1)
   responders (~> 3.0.1)
   rmagick
-  rubocop (~> 1.31.2)
+  rubocop (~> 1.48.0)
   rubocop-performance
   ruby-openid
   selenium-webdriver (~> 3.142.7)