diff --git a/Library/Homebrew/Gemfile.lock b/Library/Homebrew/Gemfile.lock
index 3d09c128b4..098b5ca926 100644
--- a/Library/Homebrew/Gemfile.lock
+++ b/Library/Homebrew/Gemfile.lock
@@ -67,7 +67,7 @@ GEM
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     parallel (1.22.1)
-    parallel_tests (3.12.0)
+    parallel_tests (3.12.1)
       parallel
     parlour (8.0.0)
       commander (~> 4.5)