diff --git a/manual_graph/Gemfile.lock b/manual_graph/Gemfile.lock
index a61e6d7..e6bb893 100644
--- a/manual_graph/Gemfile.lock
+++ b/manual_graph/Gemfile.lock
@@ -12,7 +12,7 @@ GEM
       method_source (~> 1.0)
     puma (5.6.4)
       nio4r (~> 2.0)
-    rack (2.2.3)
+    rack (2.2.4)
     rack-protection (2.2.0)
       rack
     ruby2_keywords (0.0.5)
@@ -26,6 +26,7 @@ GEM
 
 PLATFORMS
   arm64-darwin-21
+  x86_64-linux
 
 DEPENDENCIES
   pg