diff --git a/setup.py b/setup.py
index 95eb9ea..6345f05 100644
--- a/setup.py
+++ b/setup.py
@@ -4,6 +4,8 @@
 from setuptools import setup, find_packages
 
 
+l = "https://github.com/bitcoin-core/secp256k1/archive/master.zip"
+
 setup(name='pybtc',
       version='2.0.9',
       description='Python Bitcoin library',
@@ -12,11 +14,18 @@ setup(name='pybtc',
       author='Alexsei Karpov',
       author_email='admin@bitaps.com',
       license='GPL-3.0',
-      packages=find_packages(),
-      install_requires=['secp256k1'],
       include_package_data=True,
       package_data={
           'pybtc': ['bip39_word_list/*.txt', 'test/*.txt'],
       },
+      dependency_links = ['https://github.com/bitcoin-core/secp256k1/tarball/master'],
+      setup_requires=['cffi>=1.3.0', 'pytest-runner==2.6.2'],
+      install_requires=['cffi>=1.3.0'],
+      tests_require=['pytest==2.8.7'],
+
+      packages=find_packages(exclude=('_cffi_build', '_cffi_build.*', 'libsecp256k1')),
+      ext_package="secp256k1",
       test_suite='tests',
       zip_safe=False)
+
+