diff --git a/Gemfile.lock b/Gemfile.lock
index ffe8198..2ca71bc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -14,7 +14,7 @@ GEM
     docile (1.3.1)
     dry-configurable (0.7.0)
       concurrent-ruby (~> 1.0)
-    json (2.1.0)
+    json (2.5.1)
     method_source (0.9.2)
     pry (0.12.2)
       coderay (~> 1.1.0)