diff --git a/firefox.spec b/firefox.spec
index d2329d6..fdf4012 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -76,7 +76,7 @@ BuildRequires:	zlib-devel
 BuildRequires:	glib2-devel
 BuildRequires:	pkgconfig(libIDL-2.0)
 BuildRequires:	makedepend
-BuildRequires:	nss-devel >= 2:3.14.1
+BuildRequires:	nss-devel >= 2:3.15.3
 BuildRequires:	nss-static-devel
 BuildRequires:	nspr-devel >= 2:4.10.2
 BuildRequires:	startup-notification-devel