diff --git a/examples/rails/Gemfile.lock b/examples/rails/Gemfile.lock
index 43dc8a5..c8bc1de 100644
--- a/examples/rails/Gemfile.lock
+++ b/examples/rails/Gemfile.lock
@@ -85,8 +85,10 @@ GEM
     nio4r (2.5.7)
     nokogiri (1.11.6-x86_64-darwin)
       racc (~> 1.4)
+    nokogiri (1.11.6-x86_64-linux)
+      racc (~> 1.4)
     racc (1.5.2)
-    rack (2.2.3)
+    rack (2.2.6.2)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (6.1.3.2)
@@ -133,8 +135,8 @@ GEM
     zeitwerk (2.4.2)
 
 PLATFORMS
-  ruby
   x86_64-darwin-19
+  x86_64-linux
 
 DEPENDENCIES
   byebug