diff --git a/Library/Homebrew/Gemfile.lock b/Library/Homebrew/Gemfile.lock
index e6ab705dc9..adb86efbc3 100644
--- a/Library/Homebrew/Gemfile.lock
+++ b/Library/Homebrew/Gemfile.lock
@@ -65,7 +65,7 @@ GEM
       sorbet-runtime (>= 0.5.9204)
       unparser
     rdiscount (2.2.7)
-    regexp_parser (2.8.0)
+    regexp_parser (2.8.1)
     rexml (3.2.5)
     ronn (0.7.3)
       hpricot (>= 0.8.2)