diff --git a/utils/rails_implementation/Gemfile.lock b/utils/rails_implementation/Gemfile.lock
index 1d75f27..19056d1 100644
--- a/utils/rails_implementation/Gemfile.lock
+++ b/utils/rails_implementation/Gemfile.lock
@@ -35,7 +35,7 @@ GEM
     i18n (0.6.1)
     ipaddress (0.8.0)
     journey (1.0.4)
-    json (1.7.6)
+    json (1.8.6)
     mail (2.4.4)
       i18n (>= 0.4.0)
       mime-types (~> 1.16)