diff --git a/.github/workflows/mypy.yaml b/.github/workflows/mypy.yaml
index 4a70a98..83fc70d 100644
--- a/.github/workflows/mypy.yaml
+++ b/.github/workflows/mypy.yaml
@@ -20,9 +20,9 @@ jobs:
     - name: Install deps
       run: pip3 install -U tornado pytest pytest-asyncio pytest-httpbin flaky structlog tomli aiohttp httpx mypy awesomeversion
     - name: Run mypy for --install-types
-      run: PATH=$HOME/.local/bin:$PATH mypy nvchecker nvchecker_source tests
+      run: PATH=$HOME/.local/bin:$PATH mypy --namespace-packages --explicit-package-bases nvchecker nvchecker_source tests
       continue-on-error: true
     - name: Install types
       run: PATH=$HOME/.local/bin:$PATH yes | mypy --install-types
     - name: Run mypy
-      run: PATH=$HOME/.local/bin:$PATH mypy nvchecker nvchecker_source tests
+      run: PATH=$HOME/.local/bin:$PATH mypy --namespace-packages --explicit-package-bases nvchecker nvchecker_source tests