diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 75a0d50de..6b59e3e0f 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -260,6 +260,11 @@ jobs:
           fetch-depth: '1'
           submodules: 'true'
 
+      - uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: |
+            9.x
+
       - name: Pre compile
         run: dotnet build --no-incremental --configuration Release /p:Platform="Any CPU" /p:NoWarn="0108%3B1030%3B0618" src/net/KNet/KNet.csproj
         env: