diff --git a/.github/workflows/3.0-windows-build.yml b/.github/workflows/3.0-windows-build.yml
index 336ad76c..88c3dbd1 100644
--- a/.github/workflows/3.0-windows-build.yml
+++ b/.github/workflows/3.0-windows-build.yml
@@ -93,7 +93,7 @@ jobs:
           || github.event_name == 'schedule'
         run: |
           cd TDengine/debug
-          cmake .. -G "NMake Makefiles JOM" -DBUILD_TOOLS=true -DTOOLS_BUILD_TYPE=${{env.TOOLS_BUILD_TYPE}} && jom -j 8 && jom install
+          cmake .. -G "NMake Makefiles JOM" -DBUILD_TOOLS=true -DTOOLS_BUILD_TYPE=${{env.TOOLS_BUILD_TYPE}} && jom -j 2 && jom install
 
       - name: Checkout TDengine's taos-tools to PR number
         if: |