diff --git a/.github/workflows/ladder_zip.yml b/.github/workflows/ladder_zip.yml
index 528aa2f..c03d51c 100644
--- a/.github/workflows/ladder_zip.yml
+++ b/.github/workflows/ladder_zip.yml
@@ -25,7 +25,7 @@ jobs:
       - name: Update pip
         run: pip install -U pip
       - name: Install requirements
-        run: pip install -e .
+        run: poetry pip install -e .
       - name: Compile ladder zip
         run: run python scripts/create_ladder_zip.py
       - uses: montudor/action-zip@v1