diff --git a/will-crash.spec b/will-crash.spec
index b9c2d87..712727b 100644
--- a/will-crash.spec
+++ b/will-crash.spec
@@ -11,6 +11,7 @@ Source0:        http://sources.48.io/will-crash/%{name}-%{version}.tar.gz
 BuildRequires:  autoconf
 BuildRequires:  automake
 BuildRequires:  java-1.7.0-openjdk-devel
+BuildRequires:  libtool
 Requires:       ruby
 Requires:       python
 Requires:       java-1.7.0-openjdk