diff --git a/.github/workflows/unittest.yml b/.github/workflows/unittest.yml
index f524439..46ec4aa 100644
--- a/.github/workflows/unittest.yml
+++ b/.github/workflows/unittest.yml
@@ -14,10 +14,9 @@ jobs:
       database:
         image: pgvector/pgvector:pg15
         env:
-          POSTGRES_DB: postgres
-          POSTGRES_USER: postgres
-          POSTGRES_PASSWORD: postgres
-          POSTGRES_HOST_AUTH_METHOD: trust
+          POSTGRES_DB: test_db
+          POSTGRES_USER: testuser
+          POSTGRES_PASSWORD: testpwd
         ports:
           - 5432:5432
         options: >-
@@ -46,7 +45,7 @@ jobs:
     - name: Run Tests
       run: uv run pytest -x
       env:
-        CONNECTION_URI: postgresql+psycopg://postgres:postgres@localhost:5432/postgres
+        CONNECTION_URI: postgresql+psycopg://testuser:testpwd@localhost:5432/test_db
         USE_AUTH_SERVICE: false
         SENTRY_ENABLED: false
         OPENTELEMETRY_ENABLED: false
diff --git a/tests/conftest.py b/tests/conftest.py
index 2dcaad3..279a670 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -27,7 +27,7 @@
 # Test database URL
 # TODO use environment variable
 CONNECTION_URI = make_url(os.getenv("CONNECTION_URI"))
-TEST_DB_URL = CONNECTION_URI.set(database="postgres")
+TEST_DB_URL = CONNECTION_URI.set(database="test_db")
 DEFAULT_DB_URL = str(CONNECTION_URI.set(database="postgres"))