diff --git a/Gemfile b/Gemfile
index 5a9db9c..3ec5665 100644
--- a/Gemfile
+++ b/Gemfile
@@ -51,7 +51,7 @@ group :test do
   gem 'rspec-collection_matchers'
   gem 'rspec-mocks'
   gem 'selenium-webdriver'
-  gem 'shoulda-matchers', '~> 5.0', require: false
+  gem 'shoulda-matchers', '~> 5.3', require: false
   gem 'simplecov', require: false
   gem 'valid_attribute', '~> 2.0.0'
   gem 'webdrivers'
diff --git a/Gemfile.lock b/Gemfile.lock
index a294c2e..fccda99 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -94,7 +94,7 @@ GEM
     codecov (0.6.0)
       simplecov (>= 0.15, < 0.22)
     coderay (1.1.3)
-    concurrent-ruby (1.1.9)
+    concurrent-ruby (1.1.10)
     connection_pool (2.2.5)
     crass (1.0.6)
     debug_inspector (1.1.0)
@@ -133,7 +133,7 @@ GEM
     ffi (1.15.4)
     globalid (1.0.0)
       activesupport (>= 5.0)
-    i18n (1.8.11)
+    i18n (1.12.0)
       concurrent-ruby (~> 1.0)
     kwalify (0.7.2)
     launchy (2.5.0)
@@ -157,7 +157,7 @@ GEM
     matrix (0.4.2)
     method_source (1.0.0)
     mini_mime (1.1.2)
-    minitest (5.14.4)
+    minitest (5.16.3)
     msgpack (1.4.2)
     multipart-post (2.1.1)
     nio4r (2.5.8)
@@ -275,7 +275,7 @@ GEM
       rexml (~> 3.2, >= 3.2.5)
       rubyzip (>= 1.2.2)
     semantic_range (3.0.0)
-    shoulda-matchers (5.0.0)
+    shoulda-matchers (5.3.0)
       activesupport (>= 5.2.0)
     simplecov (0.21.2)
       docile (~> 1.1)
@@ -296,7 +296,7 @@ GEM
     turbolinks (5.2.1)
       turbolinks-source (~> 5.2)
     turbolinks-source (5.2.0)
-    tzinfo (2.0.4)
+    tzinfo (2.0.5)
       concurrent-ruby (~> 1.0)
     unicode-display_width (2.1.0)
     valid_attribute (2.0.0)
@@ -319,7 +319,7 @@ GEM
     websocket-extensions (0.1.5)
     xpath (3.2.0)
       nokogiri (~> 1.8)
-    zeitwerk (2.5.1)
+    zeitwerk (2.6.6)
 
 PLATFORMS
   x86_64-linux
@@ -357,7 +357,7 @@ DEPENDENCIES
   rubocop-rspec
   sass-rails (>= 6)
   selenium-webdriver
-  shoulda-matchers (~> 5.0)
+  shoulda-matchers (~> 5.3)
   simplecov
   spring
   turbolinks (~> 5)