diff --git a/Gemfile.lock b/Gemfile.lock
index 278acc2..7649384 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,7 +2,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     diff-lcs (1.5.1)
-    json (2.19.1)
+    json (2.19.4)
     rspec (3.13.2)
       rspec-core (~> 3.13.0)
       rspec-expectations (~> 3.13.0)