diff --git a/xmlrpc-c.spec b/xmlrpc-c.spec
index ad7ee7c..dd46748 100644
--- a/xmlrpc-c.spec
+++ b/xmlrpc-c.spec
@@ -12,7 +12,7 @@
 # usedforbuild    aaa_base acl attr audit-libs autoconf automake bash bind-libs bind-utils binutils bison bzip2 coreutils cpio cpp cracklib cvs cyrus-sasl db diffutils e2fsprogs file filesystem fillup findutils flex gawk gcc gdbm gdbm-devel gettext gettext-devel glibc glibc-devel glibc-locale gpm grep groff gzip info insserv klogd less libacl libattr libcom_err libgcc libnscd libstdc++ libtool libxcrypt libxml2 libxml2-devel libzio m4 make man mktemp module-init-tools ncurses ncurses-devel net-tools netcfg openldap2-client openssl pam pam-modules patch perl permissions pkgconfig popt procinfo procps psmisc pwdutils rcs readline rpm sed strace sysvinit tar tcpd texinfo timezone unzip util-linux vim zlib zlib-devel
 
 Name:           xmlrpc-c
-BuildRequires:  libxml2-devel openssl-devel pkgconfig w3c-libwww-devel gcc-c++
+BuildRequires:  libxml2-devel openssl-devel pkgconfig w3c-libwww-devel gcc-c++ expat
 Version:        0.9.10
 Release:        0
 License:        BSD, Python