diff --git a/uv.lock b/uv.lock
index 5ec0b48..4bc456d 100644
--- a/uv.lock
+++ b/uv.lock
@@ -690,7 +690,7 @@ name = "importlib-metadata"
 version = "8.7.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
-    { name = "zipp", marker = "python_full_version < '3.13'" },
+    { name = "zipp", marker = "python_full_version < '3.12'" },
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/f3/49/3b30cad09e7771a4982d9975a8cbf64f00d4a1ececb53297f1d9a7be1b10/importlib_metadata-8.7.1.tar.gz", hash = "sha256:49fef1ae6440c182052f407c8d34a68f72efc36db9ca90dc0113398f2fdde8bb", size = 57107, upload-time = "2025-12-21T10:00:19.278Z" }
 wheels = [
@@ -1151,6 +1151,7 @@ version = "0.1.0"
 source = { editable = "web" }
 dependencies = [
     { name = "aiosqlite" },
+    { name = "duckdb" },
     { name = "hypercorn" },
     { name = "itsdangerous" },
     { name = "jinja2" },
@@ -1165,6 +1166,7 @@ dependencies = [
 [package.metadata]
 requires-dist = [
     { name = "aiosqlite", specifier = ">=0.19.0" },
+    { name = "duckdb", specifier = ">=1.0.0" },
     { name = "hypercorn", specifier = ">=0.17.0" },
     { name = "itsdangerous", specifier = ">=2.1.0" },
     { name = "jinja2", specifier = ">=3.1.0" },
diff --git a/web/pyproject.toml b/web/pyproject.toml
index 2ab07a9..c6a1a1c 100644
--- a/web/pyproject.toml
+++ b/web/pyproject.toml
@@ -15,6 +15,7 @@ dependencies = [
     "mistune>=3.0.0",
     "resend>=2.22.0",
     "weasyprint>=68.1",
+    "duckdb>=1.0.0",
 ]
 
 [build-system]