diff --git a/.github/workflows/release_windows.yml b/.github/workflows/release_windows.yml
index ad14187..db36a77 100644
--- a/.github/workflows/release_windows.yml
+++ b/.github/workflows/release_windows.yml
@@ -17,9 +17,12 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
+      - name: Checkout private tools
+        uses: actions/checkout@v4
         with:
+          repository: rookiepeng/radarsimcpp
           ssh-key: ${{ secrets.RADARSIMC }}
-          submodules: recursive
+          path: src/radarsimcpp
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
         with:
diff --git a/src/radarsimpy/__init__.py b/src/radarsimpy/__init__.py
index d3f68f7..b1a63e9 100644
--- a/src/radarsimpy/__init__.py
+++ b/src/radarsimpy/__init__.py
@@ -30,4 +30,4 @@
 from .transmitter import Transmitter
 from .receiver import Receiver
 
-__version__ = "12.2.0"
+__version__ = "12.2.3"