diff --git a/zeromq.spec b/zeromq.spec
index a42adc1..475a5d5 100644
--- a/zeromq.spec
+++ b/zeromq.spec
@@ -13,6 +13,7 @@ Source0:        http://download.zeromq.org/zeromq-%{version}.tar.gz
 
 BuildRequires:  autoconf
 BuildRequires:  automake
+BuildRequires:  libtool
 
 BuildRequires:  glib2-devel
 %if ! (0%{?fedora} > 12 || 0%{?rhel} > 5)