diff --git a/bin/dither/Gemfile.lock b/bin/dither/Gemfile.lock
index 625494d..e3218db 100644
--- a/bin/dither/Gemfile.lock
+++ b/bin/dither/Gemfile.lock
@@ -26,6 +26,7 @@ GEM
 
 PLATFORMS
   arm64-darwin-22
+  x86_64-linux
 
 DEPENDENCIES
   mini_magick