diff --git a/tag-release.sh b/tag-release.sh
old mode 100644
new mode 100755
index fcb5c22..9e5fb8d
--- a/tag-release.sh
+++ b/tag-release.sh
@@ -1,2 +1,3 @@
 #!/bin/zsh
-git tag v$1 -m "release version $1" && git push origin v$1
\ No newline at end of file
+RELEASE_VERSION=$(node -p "require('./package.json').version")
+git tag v"$RELEASE_VERSION" -m "release version $RELEASE_VERSION" && git push origin v"$RELEASE_VERSION"
\ No newline at end of file