diff --git a/libnice.spec b/libnice.spec
index 3e66bd4..dc26c2e 100644
--- a/libnice.spec
+++ b/libnice.spec
@@ -29,7 +29,7 @@ for audio/video calls.
 %package        gstreamer
 Summary:        GStreamer plugin for %{name}
 Group:          Development/Libraries
-Requires:       %{name} = %{version}-%{release}
+Requires:       %{name}%{?_isa} = %{version}-%{release}
 
 %description    gstreamer
 The %{name}-gstreamer package contains a gstreamer 0.10 plugin for %{name}.
@@ -38,7 +38,7 @@ The %{name}-gstreamer package contains a gstreamer 0.10 plugin for %{name}.
 %package        gstreamer1
 Summary:        GStreamer plugin for %{name}
 Group:          Development/Libraries
-Requires:       %{name} = %{version}-%{release}
+Requires:       %{name}%{?_isa} = %{version}-%{release}
 
 %description    gstreamer1
 The %{name}-gstreamer1 package contains a gstreamer 1.0 plugin for %{name}.
@@ -47,7 +47,7 @@ The %{name}-gstreamer1 package contains a gstreamer 1.0 plugin for %{name}.
 %package        examples
 Summary:        Simple %{name} usage examples
 Group:          Development/Libraries
-Requires:       %{name} = %{version}-%{release}
+Requires:       %{name}%{?_isa} = %{version}-%{release}
 
 %description    examples
 The %{name}-examples package contains usage (simple, threaded and sdp) examples.
@@ -56,7 +56,7 @@ The %{name}-examples package contains usage (simple, threaded and sdp) examples.
 %package        devel
 Summary:        Development files for %{name}
 Group:          Development/Libraries
-Requires:       %{name} = %{version}-%{release}
+Requires:       %{name}%{?_isa} = %{version}-%{release}
 Requires:	glib2-devel
 Requires:	pkgconfig
 
@@ -125,6 +125,7 @@ find $RPM_BUILD_ROOT -name '*.la' -exec rm -f {} ';'
 %changelog
 * Wed Apr 29 2015 Kalev Lember <kalevlember@gmail.com> - 0.1.13-1
 - Update to 0.1.13
+- Tighten dependencies with the _isa macro
 
 * Tue Apr 21 2015 Kalev Lember <kalevlember@gmail.com> - 0.1.11-1
 - Update to 0.1.11