diff --git a/.github/workflows/dotnetcore.yml b/.github/workflows/dotnetcore.yml
index c1f9750..becb70f 100755
--- a/.github/workflows/dotnetcore.yml
+++ b/.github/workflows/dotnetcore.yml
@@ -12,7 +12,7 @@ jobs:
     - name: Setup .NET Core
       uses: actions/setup-dotnet@master
       with:
-        dotnet-version: 3.1.403
+        dotnet-version: 5.0.100
     - name: dotnet info
       run: dotnet --info
     - name: dotnet restore