diff --git a/gssdp.spec b/gssdp.spec
index d604fc1..57199c5 100644
--- a/gssdp.spec
+++ b/gssdp.spec
@@ -30,14 +30,14 @@ GUPnP API is intended to be easy to use, efficient and flexible.
 
 %package devel
 Summary: Development package for gssdp
-Requires: %{name} = %{version}-%{release}
+Requires: %{name}%{?_isa} = %{version}-%{release}
 
 %description devel
 Files for development with gssdp.
 
 %package utils
 Summary: Various GUI utuls for %{name}
-Requires: %{name} = %{version}-%{release}
+Requires: %{name}%{?_isa} = %{version}-%{release}
 
 %description utils
 This package contains GUI utilies for %{name}.
@@ -101,6 +101,7 @@ make check %{?_smp_mflags} V=1
 - Update to 1.0.0
 - Don't set group tags
 - Rely on pkgconfig depgen instead of manually specifying -devel requires
+- Tighten subpackage deps with the _isa macro
 
 * Thu Aug 18 2016 Kalev Lember <klember@redhat.com> - 0.99.0-1
 - Update to 0.99.0