diff --git a/vigra.spec b/vigra.spec
index 68401e2..d24e640 100644
--- a/vigra.spec
+++ b/vigra.spec
@@ -2,7 +2,7 @@
 Summary:        Generic Programming for Computer Vision
 Name:           vigra
 Version:        1.10.0
-Release:        4%{?dist}
+Release:        5%{?dist}
 License:        MIT
 Group:          Development/Libraries
 Source0:        http://hci.iwr.uni-heidelberg.de/%{name}/%{name}-%{version}-src.tar.gz
@@ -26,7 +26,7 @@ application without thereby giving up execution speed.
 %package devel
 Summary: Development tools for programs which will use the vigra library
 Group: Development/Libraries
-Requires: vigra = %{version}-%{release}
+Requires: %{name}%{?_isa} = %{version}-%{release}
 Requires: libjpeg-devel libtiff-devel libpng-devel zlib-devel fftw-devel >= 3
 Requires: boost-devel
 %if ! 0%{?rhel}
@@ -40,7 +40,7 @@ programs that use the vigra library.
 %if ! 0%{?rhel}
 %package python
 Summary: Python interface for the vigra computer vision library
-Requires: vigra = %{version}-%{release}
+Requires: %{name}%{?_isa} = %{version}-%{release}
 Requires: numpy numpy-f2py
 
 %description python
@@ -103,6 +103,9 @@ rm -rf %{buildroot}
 %endif
 
 %changelog
+* Wed Nov 26 2014 Rex Dieter <rdieter@fedoraproject.org> 1.10.0-5
+- rebuild (openexr), tighten subpkg deps (via %%{?_isa})
+
 * Mon Aug 18 2014 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.10.0-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_21_22_Mass_Rebuild