diff --git a/Library/Homebrew/vendor/Gemfile.lock b/Library/Homebrew/vendor/Gemfile.lock
index a44a20e2f5..f947d13baf 100644
--- a/Library/Homebrew/vendor/Gemfile.lock
+++ b/Library/Homebrew/vendor/Gemfile.lock
@@ -11,7 +11,7 @@ GEM
     concurrent-ruby (1.1.4)
     i18n (1.5.1)
       concurrent-ruby (~> 1.0)
-    jaro_winkler (1.5.1)
+    jaro_winkler (1.5.2)
     minitest (5.11.3)
     parallel (1.12.1)
     parser (2.5.3.0)