diff --git a/Gemfile b/Gemfile
index b370bfa..c01b77f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,7 +3,7 @@ source "https://rubygems.org"
 gemspec
 
 gem "rake", "~> 13.1"
-gem "minitest", "~> 5.20"
+gem "minitest", "~> 5.22"
 gem "simplecov", require: false, group: :test
 gem "standard"
 gem "debug"
diff --git a/Gemfile.lock b/Gemfile.lock
index 4a086b9..7dead8a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -19,7 +19,7 @@ GEM
     json (2.6.3)
     language_server-protocol (3.17.0.3)
     lint_roller (1.1.0)
-    minitest (5.20.0)
+    minitest (5.22.3)
     parallel (1.23.0)
     parser (3.2.2.4)
       ast (~> 2.4.1)
@@ -76,7 +76,7 @@ PLATFORMS
 DEPENDENCIES
   debug
   direct!
-  minitest (~> 5.20)
+  minitest (~> 5.22)
   rake (~> 13.1)
   simplecov
   standard