diff --git a/postgresql-odbc.spec b/postgresql-odbc.spec
index b6bb155..df19314 100644
--- a/postgresql-odbc.spec
+++ b/postgresql-odbc.spec
@@ -18,7 +18,8 @@ Source1: acinclude.m4
 
 Buildroot: %{_tmppath}/%{name}-%{version}-%{release}-root
 BuildRequires: unixODBC-devel
-BuildRequires: libtool automake autoconf postgresql-devel openssl-devel
+BuildRequires: libtool automake autoconf postgresql-devel
+BuildRequires: openssl-devel krb5-devel pam-devel zlib-devel readline-devel
 
 Requires: postgresql-libs >= 8.0