diff --git a/gnome-keyring.spec b/gnome-keyring.spec
index 5e6f550..d42d592 100644
--- a/gnome-keyring.spec
+++ b/gnome-keyring.spec
@@ -26,6 +26,7 @@ BuildRequires: autoconf, automake, libtool
 BuildRequires: gettext
 BuildRequires: intltool
 BuildRequires: perl(XML::Parser)
+BuildRequires: libtasn1-tools
 Requires(pre): GConf2
 Requires(preun): GConf2
 Requires(post): GConf2