diff --git a/libftdi.spec b/libftdi.spec
index 2f724f2..6513114 100644
--- a/libftdi.spec
+++ b/libftdi.spec
@@ -15,7 +15,7 @@ Patch1:		libftdi-0.19-libusb.patch
 BuildRoot:	%{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
 BuildRequires:	libusb-devel, doxygen, boost-devel, python-devel, swig
-Requires:	pkgconfig, udev
+Requires:	pkgconfig, udev, autoconf
 Requires(pre):	shadow-utils