diff --git a/network/mail/thunderbird/pspec.xml b/network/mail/thunderbird/pspec.xml
index 1e76326322..11fa2a93cf 100644
--- a/network/mail/thunderbird/pspec.xml
+++ b/network/mail/thunderbird/pspec.xml
@@ -35,6 +35,7 @@
             <Dependency>libjpeg-turbo-devel</Dependency>
             <Dependency>dbus-devel</Dependency>
             <Dependency>pixman-devel</Dependency>
+            <Dependency>dbus-glib-devel</Dependency>
             <Dependency>hunspell-devel</Dependency>
             <Dependency>libevent-devel</Dependency>
             <Dependency>gconf-devel</Dependency>
@@ -60,6 +61,7 @@
             <Dependency>libX11</Dependency>
             <Dependency>pixman</Dependency>
             <Dependency>libgcc</Dependency>
+            <Dependency>gconf</Dependency>
             <Dependency>icu4c</Dependency>
             <Dependency>hunspell</Dependency>
             <Dependency>libvpx</Dependency>
@@ -77,6 +79,7 @@
             <Dependency>libXrender</Dependency>
             <Dependency>libXcomposite</Dependency>
             <Dependency>libjpeg-turbo</Dependency>
+            <Dependency>startup-notification</Dependency>
         </RuntimeDependencies>
         <Files>
             <Path fileType="doc">/usr/share/doc</Path>