diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index bc2a7582..38cc5fd0 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        dotnet-version: [ '8.0.x' ]
+        dotnet-version: [ '9.0.x' ]
     steps:
       - uses: actions/checkout@v3
       - name: Setup .NET Core SDK ${{ matrix.dotnet-version }}