diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8a8f1f5..4ca5572 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,17 +1,15 @@
 name: tests
 
 on:
-  push:
-  pull_request:
   schedule:
-    - cron: '47 3 * * *'
+    - cron: '37 3 * * *'
 
 jobs:
   build:
 
     strategy:
       matrix:
-        python-version: ["3.x", "3.11", "3.10", "3.9", "pypy-3.9", "3.8", "pypy-3.8", "3.7", "pypy-3.7"]
+        python-version: ["3.x", "3.11", "3.10", "3.9", "3.8", "3.7"]
         platform: [ubuntu-latest, macos-latest, windows-latest]
         exclude:
           - platform: windows-latest
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
new file mode 100644
index 0000000..8a8f1f5
--- /dev/null
+++ b/.github/workflows/nightly.yml
@@ -0,0 +1,48 @@
+name: tests
+
+on:
+  push:
+  pull_request:
+  schedule:
+    - cron: '47 3 * * *'
+
+jobs:
+  build:
+
+    strategy:
+      matrix:
+        python-version: ["3.x", "3.11", "3.10", "3.9", "pypy-3.9", "3.8", "pypy-3.8", "3.7", "pypy-3.7"]
+        platform: [ubuntu-latest, macos-latest, windows-latest]
+        exclude:
+          - platform: windows-latest
+          - python-version: [pypy-3.9]
+
+    runs-on: ${{ matrix.platform }}
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install zbar lib for QReader (Linux)
+        if: runner.os == 'Linux'
+        run: |
+          sudo apt-get install -y libzbar0
+      - name: Install zbar lib for QReader (macOS)
+        if: runner.os == 'macOS'
+        run: |
+          brew install zbar
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install flake8 pytest
+          pip install --use-pep517 -r requirements.txt
+      - name: Lint with flake8
+        run: |
+          # stop the build if there are Python syntax errors or undefined names
+          flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+          # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
+          flake8 . --count --exit-zero --max-complexity=10 --max-line-length=200 --statistics
+      - name: Test with pytest
+        run: pytest