diff --git a/poetry.lock b/poetry.lock
index ec407b8..fc38fb5 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -299,6 +299,28 @@ files = [
 dev = ["pre-commit", "tox"]
 testing = ["pytest", "pytest-benchmark"]
 
+[[package]]
+name = "psycopg2"
+version = "2.9.9"
+description = "psycopg2 - Python-PostgreSQL Database Adapter"
+optional = false
+python-versions = ">=3.7"
+files = [
+    {file = "psycopg2-2.9.9-cp310-cp310-win32.whl", hash = "sha256:38a8dcc6856f569068b47de286b472b7c473ac7977243593a288ebce0dc89516"},
+    {file = "psycopg2-2.9.9-cp310-cp310-win_amd64.whl", hash = "sha256:426f9f29bde126913a20a96ff8ce7d73fd8a216cfb323b1f04da402d452853c3"},
+    {file = "psycopg2-2.9.9-cp311-cp311-win32.whl", hash = "sha256:ade01303ccf7ae12c356a5e10911c9e1c51136003a9a1d92f7aa9d010fb98372"},
+    {file = "psycopg2-2.9.9-cp311-cp311-win_amd64.whl", hash = "sha256:121081ea2e76729acfb0673ff33755e8703d45e926e416cb59bae3a86c6a4981"},
+    {file = "psycopg2-2.9.9-cp312-cp312-win32.whl", hash = "sha256:d735786acc7dd25815e89cc4ad529a43af779db2e25aa7c626de864127e5a024"},
+    {file = "psycopg2-2.9.9-cp312-cp312-win_amd64.whl", hash = "sha256:a7653d00b732afb6fc597e29c50ad28087dcb4fbfb28e86092277a559ae4e693"},
+    {file = "psycopg2-2.9.9-cp37-cp37m-win32.whl", hash = "sha256:5e0d98cade4f0e0304d7d6f25bbfbc5bd186e07b38eac65379309c4ca3193efa"},
+    {file = "psycopg2-2.9.9-cp37-cp37m-win_amd64.whl", hash = "sha256:7e2dacf8b009a1c1e843b5213a87f7c544b2b042476ed7755be813eaf4e8347a"},
+    {file = "psycopg2-2.9.9-cp38-cp38-win32.whl", hash = "sha256:ff432630e510709564c01dafdbe996cb552e0b9f3f065eb89bdce5bd31fabf4c"},
+    {file = "psycopg2-2.9.9-cp38-cp38-win_amd64.whl", hash = "sha256:bac58c024c9922c23550af2a581998624d6e02350f4ae9c5f0bc642c633a2d5e"},
+    {file = "psycopg2-2.9.9-cp39-cp39-win32.whl", hash = "sha256:c92811b2d4c9b6ea0285942b2e7cac98a59e166d59c588fe5cfe1eda58e72d59"},
+    {file = "psycopg2-2.9.9-cp39-cp39-win_amd64.whl", hash = "sha256:de80739447af31525feddeb8effd640782cf5998e1a4e9192ebdf829717e3913"},
+    {file = "psycopg2-2.9.9.tar.gz", hash = "sha256:d1454bde93fb1e224166811694d600e746430c006fbb031ea06ecc2ea41bf156"},
+]
+
 [[package]]
 name = "pytest"
 version = "8.2.0"
@@ -437,4 +459,4 @@ watchdog = ["watchdog (>=2.3)"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.12"
-content-hash = "3cf7beba7ed1a153cfae2c20a0883ce720bb3f5a650f8695235a7b707fcb8424"
+content-hash = "024eaf5d0e076614d56894ceb378a9ea351677e1cac7dc3c4e5c930723b66146"
diff --git a/pyproject.toml b/pyproject.toml
index 024f747..68c529c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,6 +15,7 @@ click = "^8.1.7"
 gunicorn = "^22.0.0"
 flask = "^3.0.3"
 flask-sqlalchemy = "^3.1.1"
+psycopg2 = "^2.9.9"
 
 [tool.poetry.scripts]
 teufa = "teufa.cli:cli"