diff --git a/docker-compose.yml b/docker-compose.yml
index 212380c..fd4d78b 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,40 +1,38 @@
-version: '3.7'
-
 services:
-    gateway:
-        image: baranbartu/k-api-gateway:latest
-        command: sh -c "uvicorn main:app --reload --host 0.0.0.0"
-        build:
-            context: ./gateway
-            dockerfile: Dockerfile
-        env_file:
-            - ./gateway/.env
-        ports:
-          - 8001:8000
-        depends_on:
-          - users
-          - orders
-        volumes:
-          - ./gateway:/app
+  gateway:
+    image: baranbartu/k-api-gateway:latest
+    command: sh -c "uvicorn main:app --reload --host 0.0.0.0"
+    build:
+      context: ./gateway
+      dockerfile: Dockerfile
+    env_file:
+      - ./gateway/.env
+    ports:
+      - 8001:8000
+    depends_on:
+      - users
+      - orders
+    volumes:
+      - ./gateway:/app
 
-    users:
-        image: baranbartu/k-users:latest
-        command: sh -c "uvicorn main:app --reload --host 0.0.0.0"
-        build:
-            context: ./users
-            dockerfile: Dockerfile
-        env_file:
-            - ./users/.env
-        volumes:
-          - ./users:/app
+  users:
+    image: baranbartu/k-users:latest
+    command: sh -c "uvicorn main:app --reload --host 0.0.0.0"
+    build:
+      context: ./users
+      dockerfile: Dockerfile
+    env_file:
+      - ./users/.env
+    volumes:
+      - ./users:/app
 
-    orders:
-        image: baranbartu/k-orders:latest
-        command: sh -c "uvicorn main:app --reload --host 0.0.0.0"
-        build:
-            context: ./orders
-            dockerfile: Dockerfile
-        env_file:
-            - ./orders/.env
-        volumes:
-          - ./orders:/app
+  orders:
+    image: baranbartu/k-orders:latest
+    command: sh -c "uvicorn main:app --reload --host 0.0.0.0"
+    build:
+      context: ./orders
+      dockerfile: Dockerfile
+    env_file:
+      - ./orders/.env
+    volumes:
+      - ./orders:/app
diff --git a/gateway/Dockerfile b/gateway/Dockerfile
index 8997a72..8fe212c 100644
--- a/gateway/Dockerfile
+++ b/gateway/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.7.7
+FROM python:3.11
 
 WORKDIR /app
 
@@ -8,4 +8,4 @@ ENV PYTHONBUFFERED 1
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
-COPY . .
+COPY . .
\ No newline at end of file
diff --git a/gateway/auth.py b/gateway/auth.py
index 378d166..e0845b5 100644
--- a/gateway/auth.py
+++ b/gateway/auth.py
@@ -1,6 +1,6 @@
 import jwt
 
-from datetime import datetime, timedelta
+from datetime import datetime, timedelta, timezone
 
 from conf import settings
 from exceptions import AuthTokenMissing, AuthTokenExpired, AuthTokenCorrupted
@@ -17,7 +17,8 @@ def generate_access_token(
         )
 ):
 
-    expire = datetime.utcnow() + expires_delta
+    expire = datetime.now(timezone.utc) + expires_delta
+
     token_data = {
         'id': data['id'],
         'user_type': data['user_type'],
diff --git a/gateway/conf.py b/gateway/conf.py
index f466680..73e5159 100644
--- a/gateway/conf.py
+++ b/gateway/conf.py
@@ -1,6 +1,7 @@
 import os
 
-from pydantic import BaseSettings
+from pydantic_settings import BaseSettings
+
 
 
 class Settings(BaseSettings):
diff --git a/gateway/requirements.txt b/gateway/requirements.txt
index b3adc95..d42fe36 100644
--- a/gateway/requirements.txt
+++ b/gateway/requirements.txt
@@ -1,12 +1,15 @@
-fastapi==0.58.0
-uvicorn==0.11.5
-PyJWT==1.7.1
+fastapi==0.112.1
+uvicorn==0.30.6
+PyJWT==2.9.0
+pydantic-settings==2.4.0
+
+async_timeout==4.0.3
 
 # async http requests & fast dns resolving
-aiohttp==3.6.2
-aiodns==2.0.0
+aiohttp==3.10.5
+aiodns==3.2.0
 
 # for test purposes
-flake8==3.8.3
-ipdb==0.13.2
-ipython==7.15.0
+flake8==7.1.1
+ipdb==0.13.13
+ipython==8.26.0
diff --git a/orders/Dockerfile b/orders/Dockerfile
index 8997a72..f9a25bb 100644
--- a/orders/Dockerfile
+++ b/orders/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.7.7
+FROM python:3.11
 
 WORKDIR /app
 
diff --git a/orders/main.py b/orders/main.py
index 1a3e0a3..fb6ed15 100644
--- a/orders/main.py
+++ b/orders/main.py
@@ -19,7 +19,7 @@ async def get_orders(request_user_id: str = Header(None)):
 @app.post('/api/orders', response_model=Order_Pydantic)
 async def create_user(order: OrderIn_Pydantic,
                       request_user_id: str = Header(None)):
-    data = order.dict()
+    data = order.model_dump()
     data.update({'created_by': request_user_id})
 
     order_obj = await Orders.create(**data)
diff --git a/orders/requirements.txt b/orders/requirements.txt
index 7034721..2c44391 100644
--- a/orders/requirements.txt
+++ b/orders/requirements.txt
@@ -1,8 +1,8 @@
-fastapi==0.58.0
-uvicorn==0.11.5
-tortoise-orm==0.16.13
+fastapi==0.112.1
+uvicorn==0.30.6
+tortoise-orm==0.21.6
 
 # for test purposes
-flake8==3.8.3
-ipdb==0.13.2
-ipython==7.15.0
+flake8==7.1.1
+ipdb==0.13.13
+ipython==8.26.0
\ No newline at end of file
diff --git a/users/Dockerfile b/users/Dockerfile
index 8997a72..f9a25bb 100644
--- a/users/Dockerfile
+++ b/users/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.7.7
+FROM python:3.11
 
 WORKDIR /app
 
diff --git a/users/main.py b/users/main.py
index b63718a..063ccf0 100644
--- a/users/main.py
+++ b/users/main.py
@@ -55,7 +55,7 @@ async def create_user(user: UserForm,
         )
 
     hashed_password = get_password_hash(user.password)
-    data = user.dict()
+    data = user.model_dump()
     user_in_db = insert_user(data, hashed_password, request_user_id)
 
     return user_in_db
diff --git a/users/requirements.txt b/users/requirements.txt
index 29f0f6c..69dc668 100644
--- a/users/requirements.txt
+++ b/users/requirements.txt
@@ -1,9 +1,9 @@
-fastapi==0.58.0
-uvicorn==0.11.5
-passlib==1.7.2
-bcrypt==3.1.7
+fastapi==0.112.1
+uvicorn==0.30.6
+passlib==1.7.4
+bcrypt==4.2.0
 
 # for test purposes
-flake8==3.8.3
-ipdb==0.13.2
-ipython==7.15.0
+flake8==7.1.1
+ipdb==0.13.13
+ipython==8.26.0