diff --git a/mlchain/__init__.py b/mlchain/__init__.py
index 3c978ab..fcee9b4 100644
--- a/mlchain/__init__.py
+++ b/mlchain/__init__.py
@@ -7,7 +7,7 @@
 )
 
 # Parameters of MLchain
-__version__ = "0.2.5"
+__version__ = "0.2.6"
 
 HOST = "https://www.api.mlchain.ml"
 WEB_HOST = HOST
diff --git a/requirements.txt b/requirements.txt
index fdfac55..22dd09e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,13 +14,13 @@ numpy<1.20; python_version == '3.6'
 numpy<=1.20.3; python_version >= '3.7'
 opencv-python>=4.1.2.30, <4.5
 Pillow>=8.0.1
-starlette[full]>=0.14.2
+starlette[full]==0.19.0
 requests>=2.25.1
 six>=1.13.0
 toml>=0.10.0
 trio>=0.19.0
 urllib3>=1.26.2
-uvicorn[standard]>=0.14.0
+uvicorn[standard]==0.17.6
 uvloop==0.14.0; sys_platform != 'win32' and python_version == '3.6'
 uvloop>=0.14.0; sys_platform != 'win32' and python_version >= '3.7'
 Werkzeug==1.0.1
diff --git a/setup.py b/setup.py
index a069e42..2ed3d2f 100644
--- a/setup.py
+++ b/setup.py
@@ -4,8 +4,8 @@
 import pathlib
 import os
 from setuptools import setup, find_packages
-__version__ = "0.2.5"
 
+__version__ = "0.2.6"
 
 project = "mlchain"