diff --git a/cpp-hocon-boost-filesystem-link.patch b/cpp-hocon-boost-filesystem-link.patch
new file mode 100644
index 0000000..8fb3f94
--- /dev/null
+++ b/cpp-hocon-boost-filesystem-link.patch
@@ -0,0 +1,10 @@
+--- cpp-hocon-0.2.1/lib/tests/CMakeLists.txt~	2020-06-03 11:26:20.690331543 +0100
++++ cpp-hocon-0.2.1/lib/tests/CMakeLists.txt	2020-06-03 11:26:22.519331902 +0100
+@@ -26,6 +26,7 @@
+ 
+ target_link_libraries(lib${PROJECT_NAME}_test
+     ${Boost_LIBRARIES}
++    Boost::filesystem
+     ${LEATHERMAN_LIBRARIES}
+     ${CMAKE_THREAD_LIBS_INIT}
+ )
diff --git a/cpp-hocon.spec b/cpp-hocon.spec
index aa21160..2987991 100644
--- a/cpp-hocon.spec
+++ b/cpp-hocon.spec
@@ -6,7 +6,7 @@
 
 Name:       cpp-hocon
 Version:    0.2.1
-Release:    3%{?dist}
+Release:    4%{?dist}
 Summary:    C++ support for the HOCON configuration file format
 
 License:    ASL 2.0
@@ -15,6 +15,7 @@ Source0:    %{url}/archive/%{version}/%{name}-%{version}.tar.gz
 Source1:    cpphocon.pc.in
 # https://github.com/puppetlabs/cpp-hocon/pull/124
 Patch0:     %{name}-missing-headers.patch
+Patch1:     %{name}-boost-filesystem-link.patch
 
 BuildRequires:  cmake%{?cmake_suffix} >= 3.2.2
 BuildRequires:  make
@@ -70,6 +71,10 @@ sed -i 's#@@LIBDIR@@#%{_lib}#' %{buildroot}%{_libdir}/pkgconfig/cpphocon.pc
 %{_libdir}/pkgconfig/cpphocon.pc
 
 %changelog
+* Wed Jun 03 2020 Jonathan Wakely <jwakely@redhat.com> - 0.2.1-4
+- Rebuilt for leatherman-1.12.0
+- Link tests to libboost_filesystem
+
 * Wed Jun 03 2020 Jonathan Wakely <jwakely@redhat.com> - 0.2.1-3
 - Rebuild for Boost 1.73.0