diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 049d98cb..482f9062 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -21,7 +21,7 @@ jobs:
       fail-fast: false
       matrix:
         operating-system: [ ubuntu-latest, windows-latest, macOS-latest ]
-        dotnet-version: [ '3.1', '5.0' ]
+        dotnet-version: [ '3.1', '5.0', '6.0' ]
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-dotnet@v1
diff --git a/README.md b/README.md
index 8ea2eaa7..adb6f020 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,7 @@ jobs:
       - name: Setup .NET
         uses: actions/setup-dotnet@v1
         with:
-          dotnet-version: '5.0.x' # or 3.1.x
+          dotnet-version: '6.0.x' # or 3.1.x, 5.0.x
       - name: Restore
         run: dotnet restore
       - name: Inspect code