diff --git a/app/shared/settings.py b/app/shared/settings.py
index 39e350f..2d1f283 100644
--- a/app/shared/settings.py
+++ b/app/shared/settings.py
@@ -1,6 +1,6 @@
 import sys
 
-from pydantic import BaseSettings
+from pydantic_settings import BaseSettings
 
 
 class Settings(BaseSettings):
diff --git a/app/web/dtos.py b/app/web/dtos.py
index 735bd4d..4b0614f 100644
--- a/app/web/dtos.py
+++ b/app/web/dtos.py
@@ -1,7 +1,7 @@
 from datetime import datetime
 from uuid import UUID
 
-from pydantic import AnyHttpUrl, BaseModel
+from pydantic import AnyHttpUrl, BaseModel, ConfigDict
 
 from app.shared.db.models import (
     ArtifactData,
@@ -18,10 +18,8 @@ from app.shared.db.models import (
 class WithDbFields(BaseModel):
     id: UUID
     created_at: datetime
-    updated_at: datetime | None
-
-    class Config:
-        orm_mode = True
+    updated_at: datetime | None = None
+    model_config = ConfigDict(from_attributes=True)
 
 
 class Job(WithDbFields):
@@ -30,8 +28,8 @@ class Job(WithDbFields):
     status: JobStatus
     type: JobType
     url: AnyHttpUrl
-    meta: JobMeta | None
-    config: JobConfig | None
+    meta: JobMeta | None = None
+    config: JobConfig | None = None
 
 
 class Artifact(WithDbFields):
diff --git a/app/web/main.py b/app/web/main.py
index e167d28..dd9a6ca 100644
--- a/app/web/main.py
+++ b/app/web/main.py
@@ -129,10 +129,11 @@ def app_factory(
         )
 
         language: str | None = Field(
+            default=None,
             description=(
                 "Spoken language in the media file. "
                 "While optional, this can improve output when set."
-            )
+            ),
         )
 
     @api_router.post(
@@ -161,7 +162,7 @@ def app_factory(
 
         # create a job with status "create" and save it to the database.
         job = models.Job(
-            url=payload.url,
+            url=str(payload.url),
             status=dtos.JobStatus.create,
             type=payload.type,
             config={"language": payload.language} if payload.language else None,
diff --git a/app/worker/strategies/local.py b/app/worker/strategies/local.py
index a9abb9c..fb8dc6f 100644
--- a/app/worker/strategies/local.py
+++ b/app/worker/strategies/local.py
@@ -17,7 +17,7 @@ class DecodingOptions(BaseModel):
     This mirrors private type `whisper.DecodingOptions`.
     """
 
-    language: str | None
+    language: str | None = None
     task: Literal["translate", "transcribe"]
 
 
diff --git a/pyproject.toml b/pyproject.toml
index bb06e10..de2fd7e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,16 +5,17 @@ version = "0.1.0"
 
 dependencies=[
   "celery[redis] ==5.3.1",
-  "sqlalchemy[mypy] ==2.0.17",
-  "pydantic ==1.10.9"
+  "sqlalchemy[mypy] ==2.0.19",
+  "pydantic ==2.1.1",
+  "pydantic-settings ==2.0.2"
 ]
 
 [project.optional-dependencies]
 web=[
   "alembic ==1.11.1",
-  "fastapi ==0.98.0",
-  "uvicorn[standard] ==0.22.0",
-  "gunicorn ==20.1.0"
+  "fastapi ==0.100.1",
+  "uvicorn[standard] ==0.23.2",
+  "gunicorn ==21.2.0"
 ]
 
 worker=[
@@ -25,17 +26,17 @@ worker=[
 
 tooling = [
   # code formatting
-  "black ==23.3.0",
+  "black ==23.7.0",
   # linting
-  "ruff ==0.0.275",
+  "ruff ==0.0.280",
   # tests
-  "httpx",
+  "httpx ==0.24.1",
   "sqlalchemy-utils ==0.41.1",
   "python-dotenv ==1.0.0",
   "pytest ==7.4.0",
   # types
   "mypy ==1.4.1",
-  "types-requests ==2.31.0.1"
+  "types-requests ==2.31.0.2"
 ]
 
 [tool.ruff]