diff --git a/gthumb.spec b/gthumb.spec
index befbdfe..d259f8e 100644
--- a/gthumb.spec
+++ b/gthumb.spec
@@ -28,6 +28,7 @@ BuildRequires: libgnomeui-devel >= 2.2.0
 BuildRequires: libpng-devel
 BuildRequires: gettext
 BuildRequires: automake
+BuildRequires: libtool
 BuildRequires: perl(XML::Parser)
 BuildRequires: gnome-doc-utils >= 0.3.2