diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 1c96398..a86019f 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -24,21 +24,24 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
+    defaults:
+      run:
+        shell: bash
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-python@v1
         with: 
           python-version: '3.9.x'
-      - run: |
-          pip install --user -U pip poetry
-          poetry install
-        env:
-          POETRY_VIRTUALENVS_CREATE: false
-
+      - name: Install Poetry
+        uses: snok/install-poetry@v1
+        with:
+          virtualenvs-create: true
+          virtualenvs-in-project: true
+      - name: Poetry install
+        run: poetry install --no-interaction --no-root
       - name: Run the build process
         run: poetry run pyinstaller --onefile preprocess_cancellation.py
-
       - name: Archive production artifacts
         uses: actions/upload-artifact@v2
         with: