diff --git a/.github/workflows/build_mac.yml b/.github/workflows/build_mac.yml
index 1fdfe32..12ac7bf 100644
--- a/.github/workflows/build_mac.yml
+++ b/.github/workflows/build_mac.yml
@@ -26,6 +26,7 @@ jobs:
 
     - name: Create executable
       run: |
+        poetry shell
         pip install pyinstaller 
         pyinstaller start_gui.spec
         pwd