diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9887746..cfab904 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -28,7 +28,7 @@ jobs:
         run: pip install -r requirements.txt
 
       - name: Install pyinstaller
-        run: pip install pyinstaller
+        run: pip install "pyinstaller==6.13.0"
 
       - name: Build EXE with PyInstaller
         run: pyinstaller packaging/windows.spec --noconfirm