diff --git a/.github/workflows/build-docfx.yml b/.github/workflows/build-docfx.yml
index ca1a6f0af12..6293cab3ea3 100644
--- a/.github/workflows/build-docfx.yml
+++ b/.github/workflows/build-docfx.yml
@@ -21,7 +21,7 @@ jobs:
     - name: Setup .NET Core
       uses: actions/setup-dotnet@v3.2.0
       with:
-        dotnet-version: 8.0.x
+        dotnet-version: 8.0.204
 
     - name: Install dependencies
       run: dotnet restore