diff --git a/Ruby-Cucumber-Watir/Gemfile.lock b/Ruby-Cucumber-Watir/Gemfile.lock
index 74e06a5..77b4ff9 100644
--- a/Ruby-Cucumber-Watir/Gemfile.lock
+++ b/Ruby-Cucumber-Watir/Gemfile.lock
@@ -28,7 +28,7 @@ GEM
     gherkin (5.1.0)
     http-cookie (1.0.3)
       domain_name (~> 0.5)
-    json (2.1.0)
+    json (2.5.1)
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2018.0812)