diff --git a/python-cassandra-driver.changes b/python-cassandra-driver.changes
index b57389b..8f7ca53 100644
--- a/python-cassandra-driver.changes
+++ b/python-cassandra-driver.changes
@@ -3,6 +3,7 @@ Thu Sep 20 12:03:19 UTC 2018 - Tomáš Chvátal <tchvatal@suse.com>
 
 - Add gevent to test dependencies
 - Add scales to dependencies
+- Add twisted to dependencies
 
 -------------------------------------------------------------------
 Mon Sep  3 12:05:19 UTC 2018 - Tomáš Chvátal <tchvatal@suse.com>
diff --git a/python-cassandra-driver.spec b/python-cassandra-driver.spec
index 96d584a..d676c32 100644
--- a/python-cassandra-driver.spec
+++ b/python-cassandra-driver.spec
@@ -27,6 +27,7 @@ URL:            http://github.com/datastax/python-driver
 Source:         https://files.pythonhosted.org/packages/source/c/cassandra-driver/cassandra-driver-%{version}.tar.gz
 BuildRequires:  %{python_module Cython}
 BuildRequires:  %{python_module PyYAML}
+BuildRequires:  %{python_module Twisted}
 BuildRequires:  %{python_module devel}
 BuildRequires:  %{python_module eventlet}
 BuildRequires:  %{python_module gevent}
@@ -43,6 +44,9 @@ BuildRequires:  python2-futures
 Requires:       python-Cython
 Requires:       python-blist
 Requires:       python-six >= 1.6
+Recommends:     python-Twisted
+Recommends:     python-eventlet
+Recommends:     python-gevent
 %ifpython2
 Requires:       python2-futures
 %endif