diff --git a/try-rbs-collection/Gemfile.lock b/try-rbs-collection/Gemfile.lock
index f96fd6d..8675fce 100644
--- a/try-rbs-collection/Gemfile.lock
+++ b/try-rbs-collection/Gemfile.lock
@@ -101,13 +101,15 @@ GEM
     nio4r (2.5.8)
     nokogiri (1.12.5-arm64-darwin)
       racc (~> 1.4)
+    nokogiri (1.12.5-x86_64-linux)
+      racc (~> 1.4)
     parallel (1.21.0)
     parser (3.0.2.0)
       ast (~> 2.4.1)
     puma (5.5.0)
       nio4r (~> 2.0)
     racc (1.5.2)
-    rack (2.2.3)
+    rack (2.2.6.4)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (6.1.4.1)
@@ -177,6 +179,7 @@ GEM
 
 PLATFORMS
   arm64-darwin-20
+  x86_64-linux
 
 DEPENDENCIES
   byebug