diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index bb323dd..b641a2b 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -11,7 +11,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2.3.4
     - name: Setup .NET Core
-      uses: actions/setup-dotnet@v1
+      uses: actions/setup-dotnet@v1.8.0
       with:
         dotnet-version: '3.1.x'
     # dotnet build and publish