diff --git a/.gitignore b/.gitignore
index af63c34..9345919 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@
 /txaio-2.0.2.tar.gz
 /txaio-2.0.4.tar.gz
 /txaio-2.2.1.tar.gz
+/txaio-2.5.1.tar.gz
diff --git a/python-txaio-2.2.1-tests.patch b/python-txaio-2.2.1-tests.patch
deleted file mode 100644
index b495645..0000000
--- a/python-txaio-2.2.1-tests.patch
+++ /dev/null
@@ -1,10 +0,0 @@
---- test/test_packaging.py	2015-10-17 19:09:01.342981497 +0200
-+++ test/test_packaging.py	2015-10-17 19:09:37.874402253 +0200
-@@ -34,6 +34,7 @@
- import txaio
-
-
-+@pytest.mark.skipif(True, reason='Not needed for RPM build')
- def test_sdist():
-     if not hasattr(subprocess, 'check_output'):
-         pytest.skip()
diff --git a/python-txaio-2.5.1-tests.patch b/python-txaio-2.5.1-tests.patch
new file mode 100644
index 0000000..b495645
--- /dev/null
+++ b/python-txaio-2.5.1-tests.patch
@@ -0,0 +1,10 @@
+--- test/test_packaging.py	2015-10-17 19:09:01.342981497 +0200
++++ test/test_packaging.py	2015-10-17 19:09:37.874402253 +0200
+@@ -34,6 +34,7 @@
+ import txaio
+
+
++@pytest.mark.skipif(True, reason='Not needed for RPM build')
+ def test_sdist():
+     if not hasattr(subprocess, 'check_output'):
+         pytest.skip()
diff --git a/python-txaio.spec b/python-txaio.spec
index f843972..6380d02 100644
--- a/python-txaio.spec
+++ b/python-txaio.spec
@@ -1,14 +1,14 @@
 %global pypi_name txaio
 
 Name:           python-%{pypi_name}
-Version:        2.2.1
+Version:        2.5.1
 Release:        1%{?dist}
 Summary:        Compatibility API between asyncio/Twisted/Trollius
 
 License:        MIT
 URL:            https://pypi.python.org/pypi/%{pypi_name}
 Source0:        https://pypi.python.org/packages/source/t/%{pypi_name}/%{pypi_name}-%{version}.tar.gz
-Patch0:          python-txaio-%{version}-tests.patch
+Patch0:         python-txaio-%{version}-tests.patch
 
 BuildArch:      noarch
 BuildRequires:  python2-devel
@@ -16,11 +16,11 @@ BuildRequires:  pytest >= 2.6.4
 BuildRequires:  python-pytest-cov >= 1.8.1
 BuildRequires:  python-mock >= 1.3.0
 BuildRequires:  python-pep8 >= 1.6.2
-BuildRequires:  python-sphinx >= 1.2.3
+BuildRequires:  python2-sphinx >= 1.2.3
 BuildRequires:  python-sphinx_rtd_theme
 BuildRequires:  python-six
-BuildRequires:  python-twisted
-BuildRequires:  python-zope-interface
+BuildRequires:  python-twisted >= 12.1.0
+BuildRequires:  python-zope-interface >= 3.6
 BuildRequires:  python-trollius >= 2.0
 BuildRequires:  python-futures >= 3.0.3
 BuildRequires:  python-enchant >= 1.6.6
@@ -35,8 +35,10 @@ asyncio.
 %package -n     python2-%{pypi_name}
 Summary:        Compatibility API between asyncio/Twisted/Trollius
 BuildArch:      noarch
-Requires:       python-twisted
-Requires:       python-zope-interface
+Requires:       python-twisted >= 12.1.0
+Requires:       python-zope-interface >= 3.6
+Requires:       python-trollius >= 2.0
+Requires:       python-futures >= 3.0.3
 Requires:       python-six
 %{?python_provide:%python_provide python2-%{pypi_name}}
 
@@ -132,6 +134,9 @@ PYTHONPATH=$PYTHONPATH:. coverage2 run -p --source=txaio /usr/bin/py.test-%{pyth
 
 
 %changelog
+* Mon May 16 2016 Julien Enselme <jujens@jujens.eu> - 2.5.1-1
+- Update to 2.5.1
+
 * Sat Feb 27 2016 Julien Enselme <jujens@jujens.eu> - 2.2.1-1
 - Update to 2.2.1
 
diff --git a/sources b/sources
index 78b040d..251b2a1 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-c2a7e6ebfdf8987c3938e40e39a3c5e7  txaio-2.2.1.tar.gz
+7b0f5321515d380ad5d32f01666b6ee7  txaio-2.5.1.tar.gz