diff --git a/openpgm.spec b/openpgm.spec
index 7c5617f..7f9ea95 100644
--- a/openpgm.spec
+++ b/openpgm.spec
@@ -41,6 +41,7 @@ BuildRequires:  autoconf
 BuildRequires:  automake
 BuildRequires:  gcc-c++
 BuildRequires:  glibc-devel
+BuildRequires:  libtool
 BuildRequires:  make
 BuildRequires:  pkg-config
 BuildRequires:  python-devel