diff --git a/python-eventlet.spec b/python-eventlet.spec
index b00a8ff..b4a2bfa 100644
--- a/python-eventlet.spec
+++ b/python-eventlet.spec
@@ -37,10 +37,10 @@ BuildRequires:  netcfg
 BuildRequires:  python-rpm-macros
 # eventlet parses /etc/protocols which is not available in normal build envs
 Requires:       netcfg
-Requires:       python-dnspython >= 1.15.0
 Requires:       python-greenlet >= 0.3
 Requires:       python-monotonic >= 1.4
 Requires:       python-six >= 1.10.0
+Requires:       (python-dnspython >= 1.15.0 and python-dnspython < 2.0)
 BuildArch:      noarch
 %python_subpackages