diff --git a/Gemfile.lock b/Gemfile.lock
index 7226e62..0404973 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -36,7 +36,7 @@ GEM
       rspec-mocks (~> 3.12.0)
     rspec-core (3.12.3)
       rspec-support (~> 3.12.0)
-    rspec-expectations (3.12.3)
+    rspec-expectations (3.12.4)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.12.0)
     rspec-mocks (3.12.7)