diff --git a/python/xgrammar/version.py b/python/xgrammar/version.py
index 1412b55..535eca0 100644
--- a/python/xgrammar/version.py
+++ b/python/xgrammar/version.py
@@ -20,7 +20,7 @@
 
 # ---------------------------------------------------
 
-__version__ = "0.1.5"
+__version__ = "0.1.9"
 PROJ_ROOT = os.path.dirname(os.path.abspath(os.path.expanduser(__file__)))
 
 
diff --git a/scripts/release_new_version.sh b/scripts/release_new_version.sh
index 3a1b7d6..51f8a63 100755
--- a/scripts/release_new_version.sh
+++ b/scripts/release_new_version.sh
@@ -10,8 +10,8 @@ if [ -z "$1" ]; then
     exit 1
 fi
 
+# Fetch and checkout main branch
 git fetch origin main
-git checkout FETCH_HEAD
-git commit -m "Tag $1" --allow-empty
+git checkout main
 git tag $1 HEAD
 git push origin $1