diff --git a/.github/workflows/build-debug.yml b/.github/workflows/build-debug.yml
index 13ad186..a04a135 100644
--- a/.github/workflows/build-debug.yml
+++ b/.github/workflows/build-debug.yml
@@ -18,6 +18,7 @@ jobs:
       - uses: Cysharp/Actions/.github/actions/setup-dotnet@main
         with:
           dotnet-version: |
+            5.0.x
             8.0.x
       - run: dotnet build -c Debug
       - run: dotnet test -c Debug --no-build
\ No newline at end of file