diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d58f1e1..3140a58 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -26,7 +26,7 @@ jobs:
     name: Get new version number
     runs-on: ubuntu-latest
     outputs:
-      version: ${{ steps.get_version.outputs.version }}
+      new_version: ${{ steps.get_version.outputs.new_version }}
     steps:
       - uses: actions/checkout@v4
 
@@ -37,7 +37,7 @@ jobs:
 
       - name: Install Hatch
         shell: bash
-        run: python -m pip install --disable-pip-version-check --upgrade hatch hatchling
+        run: python -m pip install --disable-pip-version-check --upgrade hatch
 
       - name: Bump version
         id: get_version
@@ -56,7 +56,7 @@ jobs:
           hatch version "${version_bump_rule}"
           export new_version=$(TERM="unknown" hatch version)
           echo "new_version: '${new_version}'"
-          echo "new_version=${new_version}" >> $GITHUB_ENV  # Save env variable for later steps
+          echo "new_version=${new_version}" >> "$GITHUB_OUTPUT"  # Save variable for later steps
 
 
   build_wheels:
@@ -107,7 +107,7 @@ jobs:
       - name: Update versions
         shell: bash
         run: |
-          export new_version=${{needs.get_new_version.outputs.version}}
+          export new_version=${{needs.get_new_version.outputs.new_version}}
           echo "Updating version to '${new_version}'"
           python .github/scripts/update_versions.py
 
@@ -146,7 +146,7 @@ jobs:
       - name: Update versions
         shell: bash
         run: |
-          export new_version=${{needs.get_new_version.outputs.version}}
+          export new_version=${{needs.get_new_version.outputs.new_version}}
           echo "Updating version to '${new_version}'"
           python .github/scripts/update_versions.py
 
@@ -201,14 +201,14 @@ jobs:
       - name: Update versions
         shell: bash
         run: |
-          export new_version=${{needs.get_new_version.outputs.version}}
+          export new_version=${{needs.get_new_version.outputs.new_version}}
           echo "Updating version to '${new_version}'"
           python .github/scripts/update_versions.py
 
       - name: Tag and push new version
         shell: bash
         run: |
-          export new_version=${{needs.get_new_version.outputs.version}}
+          export new_version=${{needs.get_new_version.outputs.new_version}}
           git config user.name github-actions
           git config user.email github-actions@github.com
           git commit -m "Update version for new release" pyproject.toml setup.py src/quaternion/__init__.py
@@ -223,8 +223,8 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
-          tag_name: v${{ needs.get_new_version.outputs.version }}
-          name: Release v${{ needs.get_new_version.outputs.version }}
+          tag_name: v${{ needs.get_new_version.outputs.new_version }}
+          name: Release v${{ needs.get_new_version.outputs.new_version }}
           draft: false
           prerelease: false