diff --git a/.github/workflows/publish-gpr.yml b/.github/workflows/publish-gpr.yml
index 15130d3..5a41c11 100644
--- a/.github/workflows/publish-gpr.yml
+++ b/.github/workflows/publish-gpr.yml
@@ -2,6 +2,11 @@ name: Publish to GitHub Packages
 
 on:
   workflow_dispatch:
+    inputs:
+      tag:
+        description: 'Release tag to publish (e.g., @cometloop/safe@0.1.0)'
+        required: true
+        type: string
 
 jobs:
   publish-gpr:
@@ -14,7 +19,7 @@ jobs:
       - name: Parse tag
         id: parse
         run: |
-          TAG="${{ github.ref_name }}"
+          TAG="${{ inputs.tag }}"
           # Extract package name and version from tag like @cometloop/safe@0.1.0
           NAME="${TAG%@*}"
           VERSION="${TAG##*@}"
@@ -25,6 +30,8 @@ jobs:
           echo "Publishing ${NAME}@${VERSION} from ${DIR}"
 
       - uses: actions/checkout@v4
+        with:
+          ref: ${{ inputs.tag }}
 
       - uses: pnpm/action-setup@v4