diff --git a/Library/Homebrew/test/Gemfile.lock b/Library/Homebrew/test/Gemfile.lock
index b72fdf192c..10caf8858b 100644
--- a/Library/Homebrew/test/Gemfile.lock
+++ b/Library/Homebrew/test/Gemfile.lock
@@ -60,7 +60,7 @@ GEM
     simplecov-cobertura (1.3.0)
       simplecov (~> 0.8)
     simplecov-html (0.10.2)
-    unicode-display_width (1.4.0)
+    unicode-display_width (1.4.1)
     url (0.3.2)
 
 PLATFORMS