diff --git a/libnotify.spec b/libnotify.spec
index 8c5486b..ae4932c 100644
--- a/libnotify.spec
+++ b/libnotify.spec
@@ -14,7 +14,7 @@ BuildRequires: glib2-devel >= %{glib2_version}
 BuildRequires: gdk-pixbuf2-devel
 BuildRequires: gtk3-devel
 BuildRequires: gobject-introspection-devel
-Requires: glib2 >= %{glib2_version}
+Requires: glib2%{?_isa} >= %{glib2_version}
 
 %description
 libnotify is a library for sending desktop notifications to a notification
@@ -24,7 +24,7 @@ form of information without getting in the user's way.
 
 %package devel
 Summary:        Development files for %{name}
-Requires:       %{name} = %{version}-%{release}
+Requires:       %{name}%{?_isa} = %{version}-%{release}
 
 %description devel
 This package contains libraries and header files needed for
@@ -74,6 +74,7 @@ rm -f $RPM_BUILD_ROOT%{_libdir}/*.a
 - Use make_install macro
 - Don't manually set deps that pkgconfig dep extractor automatically does
 - Drop old, unused build deps
+- Tighten deps with the _isa macro
 
 * Thu Feb 04 2016 Fedora Release Engineering <releng@fedoraproject.org> - 0.7.6-8
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild