diff --git a/libgphoto2.spec b/libgphoto2.spec
index 5474cca..95ccf8c 100644
--- a/libgphoto2.spec
+++ b/libgphoto2.spec
@@ -1,7 +1,7 @@
 Summary: Library for accessing digital cameras
 Name: libgphoto2
 Version: 2.4.1
-Release: 2%{?dist}
+Release: 3%{?dist}
 # GPLV2+ for the main lib (due to exif.c) and most plugins, some plugins GPLv2
 License: GPLv2+ and GPLv2
 Group: Development/Libraries
@@ -33,8 +33,8 @@ however, such as gtkam for example.
 %package devel
 Summary: Headers and links to compile against the libgphoto2 library
 Group: Development/Libraries
-Requires: %{name} = %{version}
-Requires: pkgconfig
+Requires: %{name} = %{version}-%{release}
+Requires: pkgconfig, libusb-devel >= 0.1.5, libexif-devel
 Obsoletes: gphoto2 < 2.4.0-11
 Obsoletes: gphoto2-devel < 2.4.0-11
 Provides: gphoto2-devel = %{version}-%{release}
@@ -150,6 +150,10 @@ rm -rf "${RPM_BUILD_ROOT}"
 %{_mandir}/man3/*
 
 %changelog
+* Thu Jun 12 2008 Jindrich Novy <jnovy@redhat.com> 2.4.1-3
+- libgphoto2-devel requires libusb-devel and libexif-devel for
+  pkgconfig
+
 * Wed Jun 04 2008 Jindrich Novy <jnovy@redhat.com> 2.4.1-2
 - fix obsoletes
 - workaround problem with coreutils-6.12 and RHEL5-xen kernels