diff --git a/.github/workflows/nuget-publish.yml b/.github/workflows/nuget-publish.yml
index 657274ddb..51eeac422 100644
--- a/.github/workflows/nuget-publish.yml
+++ b/.github/workflows/nuget-publish.yml
@@ -6,6 +6,9 @@ on:
 jobs:
   publish:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      id-token: write
     steps:
       - uses: actions/checkout@v4
 
@@ -27,5 +30,11 @@ jobs:
       - name: Pack
         run: dotnet pack --no-build -c Release -o ./nupkgs
 
+      - name: NuGet login (OIDC → temp API key)
+        uses: NuGet/login@v1
+        id: login
+        with:
+          user: ${{ secrets.NUGET_USER }}
+
       - name: Push to NuGet
-        run: dotnet nuget push ./nupkgs/*.nupkg --api-key ${{ secrets.NUGET_API_KEY }} --source https://api.nuget.org/v3/index.json --skip-duplicate
+        run: dotnet nuget push ./nupkgs/*.nupkg --api-key ${{ steps.login.outputs.NUGET_API_KEY }} --source https://api.nuget.org/v3/index.json --skip-duplicate