diff --git a/Gemfile.lock b/Gemfile.lock
index f3ddbb47..8fef7cc3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -25,6 +25,7 @@ GEM
     stackprof (0.2.19)
 
 PLATFORMS
+  arm64-darwin-21
   x86_64-darwin-19
   x86_64-darwin-21
   x86_64-linux