diff --git a/Library/Homebrew/Gemfile.lock b/Library/Homebrew/Gemfile.lock
index 750442f454471d7f2568725dea9e5e44261f0560..e1df7c11ee00adba3199591f8d0d7b86c68274e8 100644
--- a/Library/Homebrew/Gemfile.lock
+++ b/Library/Homebrew/Gemfile.lock
@@ -66,7 +66,7 @@ GEM
       rspec-mocks (~> 3.8.0)
     rspec-core (3.8.2)
       rspec-support (~> 3.8.0)
-    rspec-expectations (3.8.5)
+    rspec-expectations (3.8.6)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.8.0)
     rspec-its (1.3.0)