diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 6def85497..8f2e686ea 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -10,6 +10,7 @@ jobs:
     runs-on: ubuntu-22.04
     env:
       POETRY_VERSION:  1.3.0
+      PYTHON_VERSION: "3.10"
     if: github.event_name == 'push' && contains(github.ref, 'refs/tags')
     steps:
       #----------------------------------------------
@@ -18,10 +19,10 @@ jobs:
       - name: Check out repository
         uses: actions/checkout@v4
 
-      - name: Set up Python ${{ matrix.python-version }}
+      - name: Set up Python ${{ env.PYTHON_VERSION }}
         uses: actions/setup-python@v5
         with:
-          python-version: ${{ matrix.python-version }}
+          python-version: ${{ env.PYTHON_VERSION }}
 
       #----------------------------------------------
       #          install & configure poetry
@@ -48,7 +49,7 @@ jobs:
       - name: Get current pushed tag
         run:  |
           echo "RELEASE_VERSION=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
-          echo ${{ env.RELEASE_VERSION }}
+          echo "$RELEASE_VERSION"
           
       #----------------------------------------------
       #    override version tag