diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 2967752d9..6e6f4c4f9 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -31,15 +31,21 @@ jobs:
             python-version: "3.9"
           - database: sqlite
             python-version: "3.10"
+    services:
+      postgres:
+        image: postgres:15
+        env:
+          POSTGRES_PASSWORD: postgres
+          POSTGRES_DB: pretix
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+        ports:
+          - 5432:5432
     steps:
       - uses: actions/checkout@v4
-      - uses: harmon758/postgresql-action@v1
-        with:
-          postgresql version: '15'
-          postgresql db: 'pretix'
-          postgresql user: 'postgres'
-          postgresql password: 'postgres'
-        if: matrix.database == 'postgres'
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
         with:
@@ -74,7 +80,7 @@ jobs:
 
       - name: Run concurrency tests
         working-directory: ./src
-        run: PRETIX_CONFIG_FILE=tests/travis_${{ matrix.database }}.cfg py.test tests/concurrency_tests/ --reruns 0 --reuse-db
+        run: PRETIX_CONFIG_FILE=tests/ci_${{ matrix.database }}.cfg py.test tests/concurrency_tests/ --reruns 0 --reuse-db
         if: matrix.database == 'postgres'
       - name: Upload coverage
         uses: codecov/codecov-action@v1
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index a9d4ef9f5..487eec308 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -10,7 +10,7 @@ tests:
         - cd src
         - python manage.py check
         - make all compress
-        - PRETIX_CONFIG_FILE=tests/travis_sqlite.cfg py.test --reruns 3 -n 3 tests --maxfail=100
+        - PRETIX_CONFIG_FILE=tests/ci_sqlite.cfg py.test --reruns 3 -n 3 tests --maxfail=100
     except:
         - pypi
 pypi:
diff --git a/src/pretix/testutils/settings.py b/src/pretix/testutils/settings.py
index daeb557ec..9c5bf7145 100644
--- a/src/pretix/testutils/settings.py
+++ b/src/pretix/testutils/settings.py
@@ -95,5 +95,5 @@ class DisableMigrations(object):
         return None
 
 
-if not os.environ.get("TRAVIS", "") and not os.environ.get("GITHUB_WORKFLOW", ""):
+if not os.environ.get("GITHUB_WORKFLOW", ""):
     MIGRATION_MODULES = DisableMigrations()
diff --git a/src/tests/travis_postgres.cfg b/src/tests/ci_postgres.cfg
similarity index 100%
rename from src/tests/travis_postgres.cfg
rename to src/tests/ci_postgres.cfg
diff --git a/src/tests/travis_sqlite.cfg b/src/tests/ci_sqlite.cfg
similarity index 100%
rename from src/tests/travis_sqlite.cfg
rename to src/tests/ci_sqlite.cfg
diff --git a/src/tests/conftest.py b/src/tests/conftest.py
index 051bf0ad5..6ee6911dc 100644
--- a/src/tests/conftest.py
+++ b/src/tests/conftest.py
@@ -39,8 +39,8 @@ CRASHED_ITEMS = set()
 @pytest.hookimpl(trylast=True)
 def pytest_configure(config):
     """
-    Somehow, somewhere, our test suite causes a segfault in SQLite, but only when run
-    on Travis CI in full. Therefore, we monkeypatch pytest-xdist to retry segfaulted
+    Somehow, somewhere, our test suite causes a segfault in SQLite in the past, but only when run
+    on CI in full. Therefore, we monkeypatch pytest-xdist to retry segfaulted
     tests and keep fingers crossed that this doesn't turn into an infinite loop.
     """
 
diff --git a/src/tests/test_crashing.py b/src/tests/test_crashing.py
index c199f0a91..a6db06e44 100644
--- a/src/tests/test_crashing.py
+++ b/src/tests/test_crashing.py
@@ -29,7 +29,7 @@ def test_crash():
     """
     This is a test that crashes with SIGKILL every (n+1)-th time it runs (n = 0, 1, 2, …).
     This is useful for debugging our pytest-xdist monkeypatch that we apply in conftest.py
-    to deal with random test crashes on Travis CI using SQLite. Usually, this test is
+    to deal with random test crashes on CI using SQLite. Usually, this test is
     skipped to avoid causing additional crashes in real runs.
     """
     if os.path.exists('crashed.tmp'):