diff --git a/.github/workflows/dotnetcore.yml b/.github/workflows/dotnetcore.yml
index 05e2da7..0381081 100644
--- a/.github/workflows/dotnetcore.yml
+++ b/.github/workflows/dotnetcore.yml
@@ -23,7 +23,7 @@ jobs:
       - name: Setup dotnet
         uses: actions/setup-dotnet@v1
         with:
-           dotnet-version: 5.0
+           dotnet-version: 5.0.203
 
       # Publish
       - name: publish on version change