diff -Nru protobuf-3.6.1.3/debian/changelog protobuf-3.6.1.3/debian/changelog
--- protobuf-3.6.1.3/debian/changelog	2018-12-09 12:45:11.000000000 +0000
+++ protobuf-3.6.1.3/debian/changelog	2018-12-11 16:14:24.000000000 +0000
@@ -1,3 +1,10 @@
+protobuf (3.6.1.3-1+rpi1) buster-staging; urgency=medium
+
+  [changes brought forward from 3.6.1-4+rpi1 by Peter Michael Green <plugwash@raspbian.org> at Thu, 25 Oct 2018 12:28:38 +0000]
+  * Add armhf to libatomic architectures list.
+
+ -- Raspbian forward porter <root@raspbian.org>  Tue, 11 Dec 2018 16:14:24 +0000
+
 protobuf (3.6.1.3-1) unstable; urgency=medium
 
   * New upstream release.
diff -Nru protobuf-3.6.1.3/debian/rules protobuf-3.6.1.3/debian/rules
--- protobuf-3.6.1.3/debian/rules	2018-11-26 23:23:31.000000000 +0000
+++ protobuf-3.6.1.3/debian/rules	2018-12-11 16:14:23.000000000 +0000
@@ -10,7 +10,7 @@
 export DH_RUBY_USE_DH_AUTO_INSTALL_DESTDIR = debian/ruby-google-protobuf
 export GEM2DEB_TEST_RUNNER = --check-dependencies
 
-ifneq (,$(findstring $(DEB_BUILD_ARCH), armel m68k mips mipsel powerpc powerpcspe sh4))
+ifneq (,$(findstring $(DEB_BUILD_ARCH), armhf armel m68k mips mipsel powerpc powerpcspe sh4))
 export DEB_LDFLAGS_MAINT_APPEND  = -latomic
 endif