diff --git a/librx.spec b/librx.spec
index cae29f5..bddfcc3 100644
--- a/librx.spec
+++ b/librx.spec
@@ -1,7 +1,7 @@
 Summary: POSIX regexp functions
 Name: librx
 Version: 1.5
-Release: 36%{?dist}
+Release: 37%{?dist}
 License: GPLv2+
 URL: http://www.gnu.org/software/rx/rx.html
 # Originally downloaded from ftp://ftp.gnu.org/gnu/rx/rx-1.5.tar.bz2
@@ -12,6 +12,7 @@ Patch1: rx-1.5-texinfo.patch
 Patch2: librx-1.5-libdir64.patch
 Patch3: rx-1.5-libtoolmode.patch
 BuildRequires: texinfo, libtool
+BuildRequires: make
 
 %description
 Rx is, among other things, an implementation of the interface
@@ -68,6 +69,9 @@ chmod -x ${RPM_BUILD_ROOT}%{_includedir}/rxposix.h
 %{_libdir}/*.so
 
 %changelog
+* Tue Jan 26 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1.5-37
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
 * Tue Jul 28 2020 Fedora Release Engineering <releng@fedoraproject.org> - 1.5-36
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild