diff --git a/ipcalc.spec b/ipcalc.spec
index bf333c6..7f2312e 100644
--- a/ipcalc.spec
+++ b/ipcalc.spec
@@ -1,12 +1,12 @@
 Name: ipcalc
 Version: 1.0.0
-Release: 1%{?dist}
+Release: 2%{?dist}
 Summary: IP network address calculator
 License: GPLv2+
 URL: https://gitlab.com/ipcalc/ipcalc
 Source0: https://gitlab.com/ipcalc/ipcalc/-/archive/%{version}/ipcalc-%{version}.tar.gz
 
-BuildRequires: gcc, libmaxminddb-devel, meson, rubygem(ronn)
+BuildRequires: gcc, libmaxminddb-devel, meson, rubygem-ronn-ng
 Recommends:    libmaxminddb, geolite2-city, geolite2-country
 
 # Explicitly conflict with older initscript packages that ship ipcalc
@@ -43,6 +43,9 @@ or check the validity of an address.
 %{_mandir}/man1/ipcalc.1*
 
 %changelog
+* Mon Nov 23 2020 Nikos Mavrogiannopoulos <nmav@redhat.com> - 1.0.0-2
+- Rebuilt for ronn successor
+
 * Sat Oct 03 2020 Nikos Mavrogiannopoulos <nmav@redhat.com> - 1.0.0-1
 - Updated to 1.0.0