diff --git a/.github/workflows/build-pypi.yml b/.github/workflows/build-pypi.yml
index 68e6c8b36..f80d92a47 100644
--- a/.github/workflows/build-pypi.yml
+++ b/.github/workflows/build-pypi.yml
@@ -64,6 +64,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
+        pip install pyinstaller==${{pyinstaller_version}}
         pip install -r requirements.txt
 
     - name: Pyinstall executable