diff --git a/.gitignore b/.gitignore
index 68c6d37..dc2c444 100644
--- a/.gitignore
+++ b/.gitignore
@@ -25,3 +25,6 @@ erl_crash.dump
 # Ignore package tarball (built via "mix hex.build").
 arcadia_cloud-*.tar
 
+# macOS metadata
+.DS_Store
+