diff --git a/NEWS.md b/NEWS.md
index 36dd38d713..e7a0bb6995 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -67,7 +67,7 @@ The following default gems are updated.
 
 The following bundled gems are updated.
 
-* minitest 5.23.1
+* minitest 5.24.0
 * rake 13.2.1
 * test-unit 3.6.2
 * rexml 3.3.0
diff --git a/gems/bundled_gems b/gems/bundled_gems
index a6480d3b5a..eaa2629040 100644
--- a/gems/bundled_gems
+++ b/gems/bundled_gems
@@ -6,7 +6,7 @@
 # - revision: revision in repository-url to test
 #   if `revision` is not given, "v"+`version` or `version` will be used.
 
-minitest        5.23.1  https://github.com/minitest/minitest
+minitest        5.24.0  https://github.com/minitest/minitest
 power_assert    2.0.3   https://github.com/ruby/power_assert 84e85124c5014a139af39161d484156cfe87a9ed
 rake            13.2.1  https://github.com/ruby/rake
 test-unit       3.6.2   https://github.com/test-unit/test-unit