diff --git a/ddclient.spec b/ddclient.spec
index 1433524..1bb1deb 100644
--- a/ddclient.spec
+++ b/ddclient.spec
@@ -16,7 +16,12 @@ Source5:           ddclient-tmpfiles.conf
 
 BuildArch:         noarch
 
+BuildRequires:     autoconf
+BuildRequires:     automake
+BuildRequires:     make
 BuildRequires:     perl-generators
+BuildRequires:     perl(Sys::Hostname)
+BuildRequires:     perl(version)
 BuildRequires:     systemd
 Requires(pre):     shadow-utils
 Requires(post):    systemd