diff --git a/.github/workflows/check_pr.yml b/.github/workflows/check_pr.yml
index b152072..c9e23ec 100644
--- a/.github/workflows/check_pr.yml
+++ b/.github/workflows/check_pr.yml
@@ -11,7 +11,10 @@ jobs:
     - name: Setup .NET
       uses: actions/setup-dotnet@v4
       with:
-        dotnet-version: 9.0.x
+        dotnet-version: |
+            6.0.x
+            8.0.x
+            9.0.x
       
     - name: Build
       run: dotnet build