diff --git a/Ruby/Gemfile.lock b/Ruby/Gemfile.lock
index efc6e7c..45e816f 100644
--- a/Ruby/Gemfile.lock
+++ b/Ruby/Gemfile.lock
@@ -89,7 +89,7 @@ GEM
     nio4r (2.5.2)
     nokogiri (1.10.10)
       mini_portile2 (~> 2.4.0)
-    rack (2.2.3)
+    rack (2.2.6.2)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (5.0.2)