diff --git a/.github/workflows/vrdr-test.yml b/.github/workflows/vrdr-test.yml
index 95f50072..4f644cb0 100644
--- a/.github/workflows/vrdr-test.yml
+++ b/.github/workflows/vrdr-test.yml
@@ -36,7 +36,7 @@ jobs:
         working-directory: ./projects
     strategy:
       matrix:
-        dotnet-version: [2.1.815, 3.1.408, 6.0.100]
+        dotnet-version: [6.0.100]
     steps:
     - uses: actions/checkout@v4
     - name: Setup .NET
@@ -54,6 +54,9 @@ jobs:
     defaults:
       run:
         working-directory: ./projects
+    strategy:
+      matrix:
+        dotnet-version: [6.0.100]
     permissions: write-all
     steps:
     - uses: actions/checkout@v4
@@ -84,4 +87,4 @@ jobs:
       if: github.event_name == 'pull_request'
       with:
         recreate: true
-        path: code-coverage-results.md
\ No newline at end of file
+        path: code-coverage-results.md