diff --git a/Gemfile.lock b/Gemfile.lock
index 8cbca32..be15dc8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -35,7 +35,7 @@ GEM
       rspec-core (~> 3.12.0)
       rspec-expectations (~> 3.12.0)
       rspec-mocks (~> 3.12.0)
-    rspec-core (3.12.2)
+    rspec-core (3.12.3)
       rspec-support (~> 3.12.0)
     rspec-expectations (3.12.4)
       diff-lcs (>= 1.2.0, < 2.0)