diff --git a/.github/workflows/flake-update.yml b/.github/workflows/flake-update.yml
index faa4fde..a86a030 100644
--- a/.github/workflows/flake-update.yml
+++ b/.github/workflows/flake-update.yml
@@ -57,21 +57,21 @@ jobs:
               run: |
                 git tag -f "$DETERMINATE_VERSION" "$COMMIT_ID"
               env:
-                DETERMINATE_URL: ${{ vars.DETERMINATE_URL }}
-                COMMIT_ID: ${{ vars.COMMIT_ID }}
+                DETERMINATE_URL: ${{ env.DETERMINATE_URL }}
+                COMMIT_ID: ${{ env.COMMIT_ID }}
             - name: Push new tag
               run: git push origin "$DETERMINATE_VERSION" --force
               env:
-                DETERMINATE_URL: ${{ vars.DETERMINATE_URL }}
+                DETERMINATE_URL: ${{ env.DETERMINATE_URL }}
             - name: Publish release
               uses: akkuman/gitea-release-action@v1
               env:
                 NODE_OPTIONS: '--experimental-fetch' # if nodejs < 18
               with:
-                files: ${{ vars.DETERMINATE_BINARY }}
-                name: ${{ vars.DETERMINATE_VERSION }}
-                tag_name: ${{ vars.DETERMINATE_VERSION }}
-                target_commitish_value: ${{ vars.COMMIT_ID }}
+                files: ${{ env.DETERMINATE_BINARY }}
+                name: ${{ env.DETERMINATE_VERSION }}
+                tag_name: ${{ env.DETERMINATE_VERSION }}
+                target_commitish_value: ${{ env.COMMIT_ID }}
                 sha256sum: true
                 md5sum: false