diff --git a/.github/workflows/samples-dotnet-standard.yaml b/.github/workflows/samples-dotnet-standard.yaml
index 794042e21b000116d8ff8b3cac1dae87cca58caf..0635cbd7b016c91ff75ede38efd808bba67fe87a 100644
--- a/.github/workflows/samples-dotnet-standard.yaml
+++ b/.github/workflows/samples-dotnet-standard.yaml
@@ -21,7 +21,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-dotnet@v3.0.3
         with:
-          dotnet-version: 2.1.*
+          dotnet-version: 3.1.*
       - name: Build
         working-directory: ${{ matrix.sample }}
         run: dotnet build Org.OpenAPITools.sln