diff --git a/.github/workflows/dotnet.yml b/.github/workflows/dotnet.yml
index 43e77ff..413fb04 100644
--- a/.github/workflows/dotnet.yml
+++ b/.github/workflows/dotnet.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        dotnet-version: [ '7.0.x' ]
+        dotnet-version: [ '6.0.x', '7.0.x' ]
         os: [ windows-latest, ubuntu-latest, macos-latest ]
 
     steps: