diff --git a/Library/Homebrew/Gemfile.lock b/Library/Homebrew/Gemfile.lock
index fe9d1e7d2febc2f25017e62cc02da778a9566aa6..f7b78df5fb0340867272cc9799a72f161c5ffad3 100644
--- a/Library/Homebrew/Gemfile.lock
+++ b/Library/Homebrew/Gemfile.lock
@@ -49,7 +49,7 @@ GEM
       mini_portile2 (~> 2.4.0)
     ntlm-http (0.1.1)
     parallel (1.19.1)
-    parallel_tests (2.29.2)
+    parallel_tests (2.30.0)
       parallel
     parser (2.6.5.0)
       ast (~> 2.4.0)