diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 36307b3..a2a7290 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -20,11 +20,9 @@ jobs:
         python -m pip install twine==4.0.2
         python -m pip install build
     - name: Set output
-      run: echo ${GITHUB_REF##*/}
+      run: RELEASE_VERSION=${GITHUB_REF##*/} echo $RELEASE_VERSION
     - name: Build package
-      env:
-        RELEASE_VERSION: ${GITHUB_REF##*/}
-      run: python setup.py sdist
+      run: RELEASE_VERSION=${GITHUB_REF##*/} python setup.py sdist
     - name: Publish package
       uses: pypa/gh-action-pypi-publish@27b31702a0e7fc50959f5ad993c78deac1bdfc29
       with: