diff --git a/action.yml b/action.yml
index 23b338b..91276f4 100644
--- a/action.yml
+++ b/action.yml
@@ -24,7 +24,7 @@ runs:
     - name: Setup DotNet
       uses: actions/setup-dotnet@v4
       with:
-        dotnet-version: 3.1.x
+        dotnet-version: 6.0.x
     - name: Get the Microsoft DTDL Validator software
       uses: actions/checkout@v4
       with: