diff --git a/.github/workflows/nightly_release.yml b/.github/workflows/nightly_release.yml
index 1a84c2d5..2171988d 100644
--- a/.github/workflows/nightly_release.yml
+++ b/.github/workflows/nightly_release.yml
@@ -48,6 +48,6 @@ jobs:
         run: dotnet pack -c Release -o package tools/UglyToad.PdfPig.Package/UglyToad.PdfPig.Package.csproj
 
       - name: Publish Nuget to GitHub registry
-        run: dotnet nuget push "**/*.nupkg" -k ${{secrets.NUGET_API_KEY}} -s https://api.nuget.org/v3/index.json
+        run: dotnet nuget push **/*.nupkg --api-key ${{secrets.NUGET_API_KEY}} --source https://api.nuget.org/v3/index.json
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}