diff --git a/urdfdom.spec b/urdfdom.spec
index be4bb0b..5a64291 100644
--- a/urdfdom.spec
+++ b/urdfdom.spec
@@ -3,7 +3,7 @@
 
 Name:		urdfdom
 Version:	1.0.4
-Release:	8%{?dist}
+Release:	9%{?dist}
 Summary:	U-Robot Description Format Document Object Model
 
 License:	BSD
@@ -28,6 +28,7 @@ for populating the class data structures from an URDF file
 %package        devel
 Summary:	Development files for %{name}
 Requires:	%{name}%{?_isa} = %{version}-%{release}
+Requires:	tinyxml-devel
 Requires:	urdfdom-headers-devel
 
 %description    devel
@@ -61,6 +62,9 @@ rm -rf %{buildroot}%{_bindir}/urdf_mem_test
 %{_includedir}/urdf_parser
 
 %changelog
+* Mon Nov 04 2024 Scott K Logan <logans@cottsay.net> - 1.0.4-9
+- Add missing Requires: tinyxml-devel from urdfdom-devel
+
 * Sat Jan 27 2024 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.4-8
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild