diff --git a/.github/workflows/dotnet.yml b/.github/workflows/dotnet.yml
index d88f4f9..7b83973 100644
--- a/.github/workflows/dotnet.yml
+++ b/.github/workflows/dotnet.yml
@@ -28,3 +28,6 @@ jobs:
       run: dotnet build --no-restore
     - name: Test
       run: dotnet test --no-build --verbosity normal
+      with:
+        dotnet-version: |
+          9.0.x