thodg/libgit2

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 4a38172..5b0d869 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -22,5 +22,5 @@ jobs:
       working-directory: azure-pipelines/docker
     - name: Publish image
       run: |
-        echo "${GITHUB_TOKEN}" | docker login https://docker.pkg.github.com -u libgit2 --password-stdin
+        docker login https://docker.pkg.github.com -u ${{github.actor}} -p ${{github.token}}
         docker push docker.pkg.github.com/${{github.repository}}/xenial:${{env.docker-label}}