diff --git a/Library/Homebrew/test/Gemfile.lock b/Library/Homebrew/test/Gemfile.lock
index 2bfc0bb4e7..c4b2c8614e 100644
--- a/Library/Homebrew/test/Gemfile.lock
+++ b/Library/Homebrew/test/Gemfile.lock
@@ -7,7 +7,7 @@ GEM
       simplecov
       url
     diff-lcs (1.3)
-    docile (1.3.0)
+    docile (1.3.1)
     jaro_winkler (1.5.1)
     json (2.1.0)
     parallel (1.12.1)