diff --git a/Gemfile b/Gemfile
index 3a6e259..a8544ae 100644
--- a/Gemfile
+++ b/Gemfile
@@ -7,7 +7,7 @@ gemspec
 
 group :development, :test do
   gem 'activesupport', '>= 6.1.4.1', '~> 7.0'
-  gem 'minitest', '~> 5.0'
+  gem 'minitest', '~> 5.20'
   gem 'pry', '~> 0.14.1'
   gem 'pry-byebug', '~> 3.9'
   gem 'rake', '~> 13.0', '>= 13.0.6'
diff --git a/Gemfile.lock b/Gemfile.lock
index 79c388b..e2ae9b3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -26,7 +26,7 @@ GEM
     json (2.6.3)
     language_server-protocol (3.17.0.3)
     method_source (1.0.0)
-    minitest (5.19.0)
+    minitest (5.20.0)
     parallel (1.23.0)
     parser (3.2.2.3)
       ast (~> 2.4.1)
@@ -86,7 +86,7 @@ PLATFORMS
 DEPENDENCIES
   activesupport (~> 7.0, >= 6.1.4.1)
   datacite-client!
-  minitest (~> 5.0)
+  minitest (~> 5.20)
   pry (~> 0.14.1)
   pry-byebug (~> 3.9)
   rake (~> 13.0, >= 13.0.6)