diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f2d55ea4..d5cfc80a 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -51,7 +51,7 @@ jobs:
       - name: Install dotnet
         uses: actions/setup-dotnet@v3
         with:
-          dotnet-version: '6.x'
+          dotnet-version: 6.0.425
       - name: Setup Python3
         uses: actions/setup-python@v4
         with: