diff --git a/.github/workflows/dotnetcore.yml b/.github/workflows/dotnetcore.yml
index b72c6aa61bca89fcb2126621ad5efa27aabb69a8..b52aae873a8aa80c7408e4c19ef7902d8646b9d3 100644
--- a/.github/workflows/dotnetcore.yml
+++ b/.github/workflows/dotnetcore.yml
@@ -10,8 +10,8 @@ jobs:
     steps:
     - uses: actions/checkout@v1
     - name: Setup .NET Core
-      uses: actions/setup-dotnet@v1
+      uses: actions/setup-dotnet@v1.5.0
       with:
         dotnet-version: 3.1.100
     - name: Build with dotnet
-      run: dotnet build --configuration Release
+      run: dotnet build IoTSharp.sln --configuration Release