diff --git a/.github/workflows/webapi.yml b/.github/workflows/webapi.yml
index a1fa029bb..01ae264ec 100644
--- a/.github/workflows/webapi.yml
+++ b/.github/workflows/webapi.yml
@@ -40,6 +40,10 @@ jobs:
     steps:
       - name: checkout
         uses: actions/checkout@v4
+      - name: setup dotnet
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: 9.0.100
       - name: docker login
         uses: docker/login-action@v3
         with: