diff --git a/Library/Homebrew/Gemfile.lock b/Library/Homebrew/Gemfile.lock
index 9b9a6a3709..95b2a58053 100644
--- a/Library/Homebrew/Gemfile.lock
+++ b/Library/Homebrew/Gemfile.lock
@@ -180,7 +180,7 @@ GEM
       concurrent-ruby (~> 1.0)
     unf (0.1.4)
       unf_ext
-    unf_ext (0.0.8)
+    unf_ext (0.0.8.1)
     unicode-display_width (2.1.0)
     unparser (0.6.4)
       diff-lcs (~> 1.3)