diff --git a/.github/workflows/python-publish.yml b/.github/workflows/python-publish.yml
index 1c737dd..e528c47 100644
--- a/.github/workflows/python-publish.yml
+++ b/.github/workflows/python-publish.yml
@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python
       uses: actions/setup-python@v3
       with:
@@ -33,7 +33,7 @@ jobs:
     - name: Build package
       run: |
         echo "Github ref: ${GITHUB_REF}"
-        PUBLISH_VERSION=$(echo "${GITHUB_REF}" | cut -d "/" -f3)
+        export PUBLISH_VERSION=$(echo "${GITHUB_REF}" | cut -d "/" -f3)
         echo "New version: ${PUBLISH_VERSION}"
         python -m build
     - name: Publish package