diff --git a/Gemfile.lock b/Gemfile.lock
index 9b2ceaf..72c7379 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -32,7 +32,7 @@ GEM
     pry-byebug (3.10.1)
       byebug (~> 11.0)
       pry (>= 0.13, < 0.15)
-    rack (2.2.6.2)
+    rack (2.2.6.3)
     rack-protection (3.0.5)
       rack
     rainbow (3.1.1)
@@ -69,6 +69,7 @@ GEM
 
 PLATFORMS
   x86_64-darwin-19
+  x86_64-linux
 
 DEPENDENCIES
   colorize