diff --git a/oidc-controller/api/authSessions/models.py b/oidc-controller/api/authSessions/models.py
index 67e84c15..017010da 100644
--- a/oidc-controller/api/authSessions/models.py
+++ b/oidc-controller/api/authSessions/models.py
@@ -4,7 +4,7 @@
 
 from api.core.acapy.client import AcapyClient
 from api.core.models import UUIDModel
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, ConfigDict, Field
 
 from ..core.config import settings
 
@@ -27,8 +27,7 @@ class AuthSessionBase(BaseModel):
     response_url: str
     presentation_request_msg: Optional[dict] = None
 
-    class Config:
-        allow_population_by_field_name = True
+    model_config = ConfigDict(populate_by_name=True)
 
 
 class AuthSession(AuthSessionBase, UUIDModel):
diff --git a/oidc-controller/api/clientConfigurations/models.py b/oidc-controller/api/clientConfigurations/models.py
index 295a88f5..b35c3588 100644
--- a/oidc-controller/api/clientConfigurations/models.py
+++ b/oidc-controller/api/clientConfigurations/models.py
@@ -1,7 +1,7 @@
 from enum import Enum
 from typing import List, Optional
 
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, ConfigDict, Field
 
 from ..core.config import settings
 from .examples import ex_client_config
@@ -27,9 +27,7 @@ class ClientConfigurationBase(BaseModel):
 
     client_secret: str = Field(default=settings.OIDC_CLIENT_SECRET)
 
-    class Config:
-        allow_population_by_field_name = True
-        schema_extra = {"example": ex_client_config}
+    model_config = ConfigDict(populate_by_name=True, json_schema_extra={"example": ex_client_config})
 
 
 class ClientConfiguration(ClientConfigurationBase):
@@ -41,11 +39,11 @@ class ClientConfigurationRead(ClientConfigurationBase):
 
 
 class ClientConfigurationPatch(ClientConfigurationBase):
-    client_id: Optional[str]
-    client_name: Optional[str]
-    response_types: Optional[List[str]]
-    redirect_uris: Optional[List[str]]
-    token_endpoint_auth_method: Optional[TOKENENDPOINTAUTHMETHODS]
-    client_secret: Optional[str]
+    client_id: Optional[str] = None
+    client_name: Optional[str] = None
+    response_types: Optional[List[str]] = None
+    redirect_uris: Optional[List[str]] = None
+    token_endpoint_auth_method: Optional[TOKENENDPOINTAUTHMETHODS] = None
+    client_secret: Optional[str] = None
 
     pass
diff --git a/oidc-controller/api/core/acapy/models.py b/oidc-controller/api/core/acapy/models.py
index da48a16d..7b4df94c 100644
--- a/oidc-controller/api/core/acapy/models.py
+++ b/oidc-controller/api/core/acapy/models.py
@@ -10,7 +10,7 @@ class WalletDid(BaseModel):
 
 
 class WalletDidPublicResponse(BaseModel):
-    result: Optional[WalletDid]
+    result: Optional[WalletDid] = None
 
 
 class CreatePresentationResponse(BaseModel):
diff --git a/oidc-controller/api/core/aries/out_of_band.py b/oidc-controller/api/core/aries/out_of_band.py
index 6c17ab99..c24f3478 100644
--- a/oidc-controller/api/core/aries/out_of_band.py
+++ b/oidc-controller/api/core/aries/out_of_band.py
@@ -1,5 +1,5 @@
 from typing import Dict, List, Union
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, ConfigDict, Field
 from .service_decorator import OOBServiceDecorator
 
 
@@ -8,8 +8,7 @@ class OutOfBandPresentProofAttachment(BaseModel):
     mime_type: str = Field(default="application/json", alias="mime-type")
     data: Dict
 
-    class Config:
-        allow_population_by_field_name = True
+    model_config = ConfigDict(populate_by_name=True)
 
 
 class OutOfBandMessage(BaseModel):
@@ -28,5 +27,4 @@ class OutOfBandMessage(BaseModel):
     )
     services: List[Union[OOBServiceDecorator, str]] = Field(alias="services")
 
-    class Config:
-        allow_population_by_field_name = True
+    model_config = ConfigDict(populate_by_name=True)
diff --git a/oidc-controller/api/core/aries/present_proof_presentation.py b/oidc-controller/api/core/aries/present_proof_presentation.py
index 1bf383ce..95b01b5e 100644
--- a/oidc-controller/api/core/aries/present_proof_presentation.py
+++ b/oidc-controller/api/core/aries/present_proof_presentation.py
@@ -2,7 +2,7 @@
 import base64
 from typing import Optional, List
 
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, ConfigDict, Field
 from api.core.aries import PresentProofv10Attachment, ServiceDecorator
 
 
@@ -17,10 +17,9 @@ class PresentationRequestMessage(BaseModel):
         alias="request_presentations~attach"
     )
     comment: Optional[str] = None
-    service: Optional[ServiceDecorator] = Field(alias="~service")
+    service: Optional[ServiceDecorator] = Field(None, alias="~service")
 
-    class Config:
-        allow_population_by_field_name = True
+    model_config = ConfigDict(populate_by_name=True)
 
     def b64_str(self):
         # object->dict->jsonString->ascii->ENCODE->ascii
diff --git a/oidc-controller/api/core/aries/service_decorator.py b/oidc-controller/api/core/aries/service_decorator.py
index 7a64ae6a..937edc18 100644
--- a/oidc-controller/api/core/aries/service_decorator.py
+++ b/oidc-controller/api/core/aries/service_decorator.py
@@ -1,25 +1,23 @@
 from typing import List, Optional
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, ConfigDict, Field
 
 
 class ServiceDecorator(BaseModel):
     # https://github.com/hyperledger/aries-rfcs/tree/main/features/0056-service-decorator
-    recipient_keys: Optional[List[str]] = Field(alias="recipientKeys")
-    routing_keys: Optional[List[str]] = Field(alias="routingKeys")
-    service_endpoint: Optional[str] = Field(alias="serviceEndpoint")
+    recipient_keys: Optional[List[str]] = Field(default=None, alias="recipientKeys")
+    routing_keys: Optional[List[str]] = Field(default=None, alias="routingKeys")
+    service_endpoint: Optional[str] = Field(default=None, alias="serviceEndpoint")
 
-    class Config:
-        allow_population_by_field_name = True
+    model_config = ConfigDict(populate_by_name=True)
 
 
 class OOBServiceDecorator(ServiceDecorator):
     # ServiceDecorator
-    recipient_keys: Optional[List[str]]
+    recipient_keys: Optional[List[str]] = None
     routing_keys: Optional[List[str]] = Field(default=[])
-    service_endpoint: Optional[str]
+    service_endpoint: Optional[str] = None
     id: str = Field(default="did:vc-authn-oidc:123456789zyxwvutsr#did-communication")
     type: str = Field(default="did-communication")
     priority: int = 0
 
-    class Config:
-        allow_population_by_field_name = True
+    model_config = ConfigDict(populate_by_name=True)
diff --git a/oidc-controller/api/core/config.py b/oidc-controller/api/core/config.py
index c9087e96..04e49300 100644
--- a/oidc-controller/api/core/config.py
+++ b/oidc-controller/api/core/config.py
@@ -7,9 +7,10 @@
 from functools import lru_cache
 from pathlib import Path
 from typing import Optional, Union
+from pydantic_settings import BaseSettings
+from pydantic import ConfigDict
 
 import structlog
-from pydantic import BaseSettings
 
 
 # Removed in later versions of python
@@ -162,7 +163,7 @@ class GlobalConfig(BaseSettings):
         "CONTROLLER_CAMERA_REDIRECT_URL"
     )
     # The number of seconds to wait for a presentation to be verified, Default: 10
-    CONTROLLER_PRESENTATION_EXPIRE_TIME: Union[int, str] = os.environ.get(
+    CONTROLLER_PRESENTATION_EXPIRE_TIME: int = os.environ.get(
         "CONTROLLER_PRESENTATION_EXPIRE_TIME", 10
     )
 
@@ -188,11 +189,11 @@ class GlobalConfig(BaseSettings):
     DEFAULT_PAGE_SIZE: Union[int, str] = os.environ.get("DEFAULT_PAGE_SIZE", 10)
 
     # openssl rand -hex 32
-    SIGNING_KEY_SIZE = os.environ.get("SIGNING_KEY_SIZE", 2048)
+    SIGNING_KEY_SIZE: int = os.environ.get("SIGNING_KEY_SIZE", 2048)
     # SIGNING_KEY_FILEPATH expects complete path including filename and extension.
     SIGNING_KEY_FILEPATH: Optional[str] = os.environ.get("SIGNING_KEY_FILEPATH")
     SIGNING_KEY_ALGORITHM: str = os.environ.get("SIGNING_KEY_ALGORITHM", "RS256")
-    SUBJECT_ID_HASH_SALT = os.environ.get("SUBJECT_ID_HASH_SALT", "test_hash_salt")
+    SUBJECT_ID_HASH_SALT: str = os.environ.get("SUBJECT_ID_HASH_SALT", "test_hash_salt")
 
     # OIDC Client Settings
     OIDC_CLIENT_ID: str = os.environ.get("OIDC_CLIENT_ID", "keycloak")
@@ -213,15 +214,14 @@ class GlobalConfig(BaseSettings):
     )
     SET_NON_REVOKED: bool = strtobool(os.environ.get("SET_NON_REVOKED", True))
 
-    class Config:
-        case_sensitive = True
+    model_config = ConfigDict(case_sensitive=True)
 
 
 class LocalConfig(GlobalConfig):
     """Local configurations."""
 
     DEBUG: bool = True
-    DB_ECHO_LOG = True
+    DB_ECHO_LOG: bool = True
     ENVIRONMENT: EnvironmentEnum = EnvironmentEnum.LOCAL
 
 
diff --git a/oidc-controller/api/core/models.py b/oidc-controller/api/core/models.py
index 519d2456..12d11bc4 100644
--- a/oidc-controller/api/core/models.py
+++ b/oidc-controller/api/core/models.py
@@ -2,23 +2,24 @@
 from typing import TypedDict
 
 from bson import ObjectId
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, ConfigDict, Field
 from pyop.userinfo import Userinfo
+from pydantic_core import core_schema  
 
 
 class PyObjectId(ObjectId):
     @classmethod
-    def __get_validators__(cls):
-        yield cls.validate
+    def __get_pydantic_core_schema__(cls, source_type, handler) -> core_schema.CoreSchema:
+        return core_schema.general_plain_validator_function(cls.validate)
 
     @classmethod
-    def validate(cls, v):
+    def validate(cls, v, info):
         if not ObjectId.is_valid(v):
             raise ValueError("Invalid objectid")
         return ObjectId(v)
 
     @classmethod
-    def __modify_schema__(cls, field_schema):
+    def __get_pydantic_json_schema__(cls, field_schema):
         field_schema.update(type="string")
 
 
@@ -36,8 +37,7 @@ class StatusMessage(BaseModel):
 class UUIDModel(BaseModel):
     id: PyObjectId = Field(default_factory=PyObjectId, alias="_id")
 
-    class Config:
-        json_encoders = {ObjectId: str}
+    model_config = ConfigDict(json_encoders={ObjectId: str})
 
 
 class TimestampModel(BaseModel):
diff --git a/oidc-controller/api/routers/quick-socket/app.py b/oidc-controller/api/routers/quick-socket/app.py
deleted file mode 100755
index 833d52a5..00000000
--- a/oidc-controller/api/routers/quick-socket/app.py
+++ /dev/null
@@ -1,65 +0,0 @@
-import uvicorn
-from fastapi import FastAPI
-from fastapi.responses import HTMLResponse
-import socketio # Installed with 'pip install python-socketio`
-
-html = """
-<!DOCTYPE html>
-<html lang="en">
-<head>
-    <meta charset="UTF-8">
-    <title>Socket.io Test</title>
-    <script src="https://cdn.socket.io/4.3.2/socket.io.min.js"></script>
-    <script>
-        const socket = io("ws://localhost:5100", {
-        path: "/ws/socket.io",
-        autoConnect: false,
-        });
-
-        const handleConnect = () => {
-            console.log("Button Clicked to Connect");
-            socket.connect();
-        };
-
-        const handleDisconnect = () => {
-            console.log("Button Clicked to Disconnect");
-            socket.disconnect();
-        };
-
-        socket.on("message", (e) => console.log("Received", e));
-    </script>
-</head>
-<body>
-    <div className="App">
-        <button onClick="handleConnect()">Connect</button>
-        <button onClick="handleDisconnect()">Disconnect</button>
-    </div>
-</body>
-</html>
-"""
-
-# Create a FastAPI instance
-app = FastAPI()
-
-@app.get("/")
-async def root():
-    return HTMLResponse(html)
-
-# Create a test websocket server
-# TODO: This needs to be shared with oidc.py and acapy_handler.py
-sio = socketio.AsyncServer(async_mode='asgi', cors_allowed_origins='*')
-
-@sio.event
-async def connect(sid, socket):
-    print('connected', sid)
-    await sio.emit('message', {'data': "I'm a real boy!"})
-
-@sio.event
-def disconnected(sid):
-    print('disconnected', sid)
-
-sio_app = socketio.ASGIApp(socketio_server=sio)
-
-app.mount('/ws', sio_app)
-
-uvicorn.run(app, host="localhost", port=5100)
\ No newline at end of file
diff --git a/oidc-controller/api/routers/socketio.py b/oidc-controller/api/routers/socketio.py
index f92eed00..a43838b6 100644
--- a/oidc-controller/api/routers/socketio.py
+++ b/oidc-controller/api/routers/socketio.py
@@ -9,7 +9,7 @@
 
 sio = socketio.AsyncServer(async_mode='asgi', cors_allowed_origins='*')
 
-sio_app = socketio.ASGIApp(socketio_server=sio)
+sio_app = socketio.ASGIApp(socketio_server=sio, socketio_path='/ws/socket.io')
 
 @sio.event
 async def connect(sid, socket):
diff --git a/oidc-controller/api/templates/verified_credentials.html b/oidc-controller/api/templates/verified_credentials.html
index 19b57eb4..163a1022 100644
--- a/oidc-controller/api/templates/verified_credentials.html
+++ b/oidc-controller/api/templates/verified_credentials.html
@@ -2,7 +2,9 @@
 <html>
   <head>
     <title>Scan QR Code</title>
-    <script src="https://cdn.socket.io/4.3.2/socket.io.min.js"></script>
+    <script src="https://cdn.socket.io/4.7.5/socket.io.min.js" 
+      integrity="sha384-2huaZvOR9iDzHqslqwpR87isEmrfxqyWOF7hr7BY6KG0+hVKLoEXMPUJw3ynWuhO" 
+      crossorigin="anonymous"></script>
     <!-- Required meta tags -->
     <meta charset="utf-8" />
     <meta
diff --git a/oidc-controller/api/verificationConfigs/models.py b/oidc-controller/api/verificationConfigs/models.py
index cfb318d2..7c4c8390 100644
--- a/oidc-controller/api/verificationConfigs/models.py
+++ b/oidc-controller/api/verificationConfigs/models.py
@@ -1,6 +1,6 @@
 import time
 from typing import Optional, List
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, ConfigDict, Field
 
 from .examples import ex_ver_config
 from ..core.config import settings
@@ -8,32 +8,32 @@
 
 # Slightly modified from ACAPY models.
 class AttributeFilter(BaseModel):
-    schema_id: Optional[str]
-    cred_def_id: Optional[str]
-    schema_name: Optional[str]
-    schema_issuer_did: Optional[str]
-    schema_version: Optional[str]
-    issuer_did: Optional[str]
+    schema_id: Optional[str] = None
+    cred_def_id: Optional[str] = None
+    schema_name: Optional[str] = None
+    schema_issuer_did: Optional[str] = None
+    schema_version: Optional[str] = None
+    issuer_did: Optional[str] = None
 
 
 class ReqAttr(BaseModel):
     names: List[str]
-    label: Optional[str]
+    label: Optional[str] = None
     restrictions: List[AttributeFilter]
 
 
 class ReqPred(BaseModel):
     name: str
-    label: Optional[str]
+    label: Optional[str] = None
     restrictions: List[AttributeFilter]
     p_value: str
     p_type: str
 
 
 class VerificationProofRequest(BaseModel):
-    name: Optional[str]
-    version: str = Field(regex="[0-9](.[0.9])*", example="0.0.1")
-    non_revoked: Optional[str]
+    name: Optional[str] = None
+    version: str = Field(pattern="[0-9](.[0.9])*", examples=["0.0.1"])
+    non_revoked: Optional[str] = None
     requested_attributes: List[ReqAttr]
     requested_predicates: List[ReqPred]
 
@@ -69,9 +69,8 @@ def generate_proof_request(self):
                     "to": int(time.time()),
                 }
         return result
-
-    class Config:
-        schema_extra = {"example": ex_ver_config}
+    
+    model_config = ConfigDict(json_schema_extra={"example": ex_ver_config})
 
 
 class VerificationConfig(VerificationConfigBase):
@@ -83,7 +82,7 @@ class VerificationConfigRead(VerificationConfigBase):
 
 
 class VerificationConfigPatch(VerificationConfigBase):
-    subject_identifier: Optional[str] = Field()
-    proof_request: Optional[VerificationProofRequest] = Field()
+    subject_identifier: Optional[str] = Field(None)
+    proof_request: Optional[VerificationProofRequest] = Field(None)
 
     pass
diff --git a/oidc-controller/requirements.txt b/oidc-controller/requirements.txt
index d4cab51e..1adc5729 100644
--- a/oidc-controller/requirements.txt
+++ b/oidc-controller/requirements.txt
@@ -1,11 +1,12 @@
-fastapi==0.96.0
-jinja2==3.1.2
-oic==1.6.0
-pymongo==4.3.3
-pyop==3.4.0
-python-multipart==0.0.6 # required by fastapi to serve/upload files
+fastapi==0.109.2
+jinja2==3.1.3
+oic==1.6.1
+pymongo==4.6.2
+pyop==3.4.1
+python-multipart==0.0.7 # required by fastapi to serve/upload files
 qrcode[pil]==7.4.2
 structlog==23.1.0
 uvicorn[standard]==0.22.0
-python-socketio==5.8.0 # required to run websockets
+python-socketio==5.11.2 # required to run websockets
 canonicaljson==2.0.0 # used to provide unique consistent user identifiers
+pydantic-settings==2.2.1