diff --git a/requirements.txt b/requirements.txt
index 5588ecf0ec5c14aefa76d33fa9dcfc97c468b426..9346490019a8f0b4df0bdefced6fc4c31b896158 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,4 @@
-asyncio
-aiohttp
+aiohttp>=0.19.0
 pylibscrypt
 libnacl
 base58
diff --git a/setup.py b/setup.py
index 4d11244b037e830fa85dd04f6b9d98db4eba4439..c472295148cde14c3c64fe7047615fc4f7cfd237 100644
--- a/setup.py
+++ b/setup.py
@@ -37,7 +37,7 @@ for requirement in (l.strip() for l in open('requirements.txt')):
         dependency_links.append(match.group('link'))
     else:
         install_requires.append(requirement)
-        
+
 setup(
     name='ucoinpy',
 
@@ -64,7 +64,7 @@ setup(
         "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
         "Natural Language :: French",
         "Operating System :: OS Independent",
-        "Programming Language :: Python :: 3.4",
+        "Programming Language :: Python :: 3.5",
         "Topic :: Communications",
     ],
     install_requires=install_requires,
diff --git a/ucoinpy/__init__.py b/ucoinpy/__init__.py
index 9b0938b54b5ed4971ea7724bf33a794acc104681..2545271cba2c781d29ab051fe23bd5cd81d628f0 100644
--- a/ucoinpy/__init__.py
+++ b/ucoinpy/__init__.py
@@ -21,7 +21,7 @@ PROTOCOL_VERSION="1"
 MANAGED_API=["BASIC_MERKLED_API"]
 
 __author__      = 'Caner Candan & inso'
-__version__     = '0.12.2'
+__version__     = '0.13.0'
 __nonsense__    = 'uCoin'
 
 from . import api, documents, key
\ No newline at end of file