diff --git a/seahorse.spec b/seahorse.spec
index bf200f7..e5038f1 100644
--- a/seahorse.spec
+++ b/seahorse.spec
@@ -17,6 +17,7 @@ BuildRequires:  desktop-file-utils
 BuildRequires:  gettext
 BuildRequires:  gpgme-devel >= 1.0
 BuildRequires:  gnupg2
+BuildRequires:  itstool
 BuildRequires:  scrollkeeper
 BuildRequires:  libsoup-devel
 BuildRequires:  openldap-devel