diff --git a/python-gevent.changes b/python-gevent.changes
index d8dab67..35c875f 100644
--- a/python-gevent.changes
+++ b/python-gevent.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Mon Feb 11 11:02:21 UTC 2019 - Tomáš Chvátal <tchvatal@suse.com>
+
+- Switch to pkgconfig requirements as c-ares was renamed between
+  SLE12 and SLE15
+
 -------------------------------------------------------------------
 Mon Feb  4 11:37:48 UTC 2019 - Antonio Larrosa <alarrosa@suse.com>
 
diff --git a/python-gevent.spec b/python-gevent.spec
index fc8096e..efb87cf 100644
--- a/python-gevent.spec
+++ b/python-gevent.spec
@@ -40,14 +40,15 @@ BuildRequires:  %{python_module requests}
 BuildRequires:  %{python_module setuptools}
 BuildRequires:  %{python_module zope.event}
 BuildRequires:  %{python_module zope.interface}
-# /etc/protocols needed for tests
-BuildRequires:  c-ares-devel
 BuildRequires:  fdupes
-BuildRequires:  libev-devel
-BuildRequires:  libuv-devel
+# /etc/protocols needed for tests
 BuildRequires:  netcfg
+BuildRequires:  pkgconfig
 BuildRequires:  python-rpm-macros
 BuildRequires:  python3-testsuite
+BuildRequires:  pkgconfig(libcares)
+BuildRequires:  pkgconfig(libev)
+BuildRequires:  pkgconfig(libuv)
 Requires:       python-cffi
 Requires:       python-dnspython
 Requires:       python-greenlet