diff --git a/.github/workflows/publish-pypi.yml b/.github/workflows/publish-pypi.yml
index 1c032bd..fdf429a 100644
--- a/.github/workflows/publish-pypi.yml
+++ b/.github/workflows/publish-pypi.yml
@@ -14,10 +14,9 @@ jobs:
 
       - name: get version from tag
         id: get_version
-        run: |
-          realversion="${GITHUB_REF/refs\/tags\//}"
-          realversion="${realversion//v/}"
-          echo "::set-output name=VERSION::$realversion"
+        env:
+          TAG: ${{ github.event.release.tag_name }}
+        run: echo "VERSION=${TAG#v}" >> $GITHUB_OUTPUT
 
       - name: Set up Python 3.7
         uses: actions/setup-python@v4