diff --git a/libpng.spec b/libpng.spec
index 1077a7f..0511d59 100644
--- a/libpng.spec
+++ b/libpng.spec
@@ -1,7 +1,7 @@
 Summary: A library of functions for manipulating PNG image format files
 Name: libpng
 Version: 1.2.10
-Release: 6
+Release: 7
 License: OSI certified
 Group: System Environment/Libraries
 Source: ftp://swrinde.nde.swri.edu/pub/png/src/libpng-%{version}.tar.bz2
@@ -28,7 +28,7 @@ files.
 %package devel
 Summary: Development tools for programs to manipulate PNG image format files.
 Group: Development/Libraries
-Requires: libpng = %{epoch}:%{version}-%{release}, zlib-devel
+Requires: libpng = %{epoch}:%{version}-%{release}, zlib-devel, pkgconfig
 
 %description devel
 The libpng-devel package contains the header files and static
@@ -79,6 +79,10 @@ rm -rf $RPM_BUILD_ROOT%{_libdir}/libpng12.la
 rm -rf $RPM_BUILD_ROOT
 
 %changelog
+* Mon Oct 02 2006 Jesse Keating <jkeating@redhat.com> - 2:1.2.10-7
+- Require pkgconfig in the -devel subpackage as it gets called by
+  /usr/bin/libpng-config
+
 * Thu Jul 27 2006 Matthias Clasen <mclasen@redhat.com> - 2:1.2.10-6
 - Disable asm on arches other than i386  (#196580)