build!: declarative builds
diff --git a/.github/workflows/server-tests-mariadb.yml b/.github/workflows/server-tests-mariadb.yml
index 91a0114..9dcc656 100644
--- a/.github/workflows/server-tests-mariadb.yml
+++ b/.github/workflows/server-tests-mariadb.yml
@@ -74,7 +74,7 @@
         uses: actions/cache@v2
         with:
           path: ~/.cache/pip
-          key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
+          key: ${{ runner.os }}-pip-${{ hashFiles('**/*requirements.txt', '**/pyproject.toml') }}
           restore-keys: |
             ${{ runner.os }}-pip-
             ${{ runner.os }}-