diff --git a/macos/build_release.sh b/macos/build_release.sh
index c23fb9b..f533246 100755
--- a/macos/build_release.sh
+++ b/macos/build_release.sh
@@ -5,7 +5,7 @@ case $2 in
   x86_64|arm|universal)
     ;;
   *)
-  echo "Usage: release_macos.sh [platform]\n - platform: 'x86_64', 'arm', 'universal'" >&2
+  echo "Usage: release_macos.sh [version] [platform]\n - platform: 'x86_64', 'arm', 'universal'" >&2
   exit 1
 esac
 
@@ -36,19 +36,20 @@ rm -rf target/aarch64-apple-darwin
 [[ $2 == "universal" ]] && arch+=(universal2-apple-darwin)
 
 # Start release build with zig linker for cross-compilation
-# zig 0.12 required
-cargo install cargo-zigbuild@0.18.4
+# zig 0.12+ required
+cargo install cargo-zigbuild
 cargo zigbuild --release --target ${arch}
 rm -rf .intentionally-empty-file.o
+mkdir macos/Grim.app/Contents/MacOS
 yes | cp -rf target/${arch}/release/grim macos/Grim.app/Contents/MacOS
 
-### Sign .app resources:
+### Sign .app resources on change:
 #rcodesign generate-self-signed-certificate
 #rcodesign sign --pem-file cert.pem macos/Grim.app
 
 # Create release package
-FILE_NAME=Grim-$1-macos-$2.zip
+FILE_NAME=grim-v$1-macos-$2.zip
 rm -rf target/${arch}/release/${FILE_NAME}
 cd macos
 zip -r ${FILE_NAME} Grim.app
-mv ${FILE_NAME} ../target/${arch}/release
\ No newline at end of file
+mv ${FILE_NAME} ../target/${arch}/release