diff --git a/libidn.spec b/libidn.spec
index d6bad40..ac8d511 100644
--- a/libidn.spec
+++ b/libidn.spec
@@ -6,7 +6,7 @@
 Summary: Internationalized Domain Name support library
 Name: libidn
 Version: 1.36
-Release: 1%{?dist}
+Release: 2%{?dist}
 URL: http://www.gnu.org/software/libidn/
 License: LGPLv2+ and GPLv3+ and GFDL
 Source0: http://ftp.gnu.org/gnu/libidn/libidn-%{version}.tar.gz
@@ -56,6 +56,7 @@ BuildRequires: javapackages-local
 BuildRequires: mvn(com.google.code.findbugs:annotations)
 BuildRequires: mvn(com.google.guava:guava)
 BuildRequires: mvn(junit:junit)
+BuildRequires: make
 BuildArch:     noarch
 
 %description java
@@ -110,22 +111,22 @@ sed -i 's|^runpath_var=LD_RUN_PATH|runpath_var=DIE_RPATH_DIE|g' libtool
 # without RPATH this needs to be set for idn executed by help2man
 export LD_LIBRARY_PATH=$(pwd)/lib/.libs
 
-make %{?_smp_mflags} V=1
+%make_build
 
 %check
 # without RPATH this needs to be set to test the compiled library
 export LD_LIBRARY_PATH=$(pwd)/lib/.libs
-make %{?_smp_mflags} -C tests check VALGRIND=env
+%make_build -C tests check VALGRIND=env
 
 %install
-make install DESTDIR=$RPM_BUILD_ROOT pkgconfigdir=%{_libdir}/pkgconfig \
+%make_install pkgconfigdir=%{_libdir}/pkgconfig \
 %if %{with libidn_enables_java}
     libidn_jardir=%{_javadir} \
 %endif
     ;
 
 # provide more examples
-make %{?_smp_mflags} -C examples distclean
+%make_build -C examples distclean
 
 # clean up docs
 find doc -name "Makefile*" | xargs rm
@@ -184,6 +185,9 @@ rm -rf $RPM_BUILD_ROOT%{_javadir}/libidn*.jar
 %endif
 
 %changelog
+* Tue Jan 26 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1.36-2
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
 * Tue Jul 28 2020 Miroslav Lichvar <mlichvar@redhat.com> - 1.36-1
 - update to 1.36