diff --git a/gems/bundled_gems b/gems/bundled_gems
index 2ad13693d0..c2a9d5f301 100644
--- a/gems/bundled_gems
+++ b/gems/bundled_gems
@@ -13,4 +13,4 @@ matrix 0.4.2 https://github.com/ruby/matrix
 prime 0.1.2 https://github.com/ruby/prime
 rbs 1.6.2 https://github.com/ruby/rbs
 typeprof 0.15.3 https://github.com/ruby/typeprof
-debug 1.2.3 https://github.com/ruby/debug
+debug 1.2.4 https://github.com/ruby/debug