diff --git a/Data Structures and Algorithms/Gemfile.lock b/Data Structures and Algorithms/Gemfile.lock
index 28580a8..f4440da 100644
--- a/Data Structures and Algorithms/Gemfile.lock	
+++ b/Data Structures and Algorithms/Gemfile.lock	
@@ -93,7 +93,7 @@ GEM
     http-cookie (1.0.3)
       domain_name (~> 0.5)
     httpclient (2.8.3)
-    json (2.1.0)
+    json (2.3.1)
     jwt (2.1.0)
     memoist (0.16.0)
     mime-types (3.2.2)