diff --git a/postgresql12.changes b/postgresql12.changes
index 7ab683a..8df86fe 100644
--- a/postgresql12.changes
+++ b/postgresql12.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Oct 22 16:50:55 UTC 2019 - Marcus Rueckert <mrueckert@suse.de>
+
+- add requires to the server-devel package for the libs that are
+  returned by pg_config --libs
+
 -------------------------------------------------------------------
 Mon Oct  7 09:03:24 UTC 2019 - Marcus Rueckert <mrueckert@suse.de>
 
diff --git a/postgresql12.spec b/postgresql12.spec
index 9e78a46..ad2aa2d 100644
--- a/postgresql12.spec
+++ b/postgresql12.spec
@@ -263,6 +263,19 @@ Conflicts:      postgresql-server-devel-exclusive < %pgmajor
 %if %{with llvm}
 Requires:       clang-devel
 %endif
+Requires:       libxslt-devel
+Requires:       openssl-devel
+Requires:       pam-devel
+Requires:       readline-devel
+Requires:       zlib-devel
+%if 0%{?suse_version} == 1110
+Requires:       krb5-devel
+%else
+Requires:       pkgconfig(krb5)
+%endif
+%if %{with selinux}
+Requires:       libselinux-devel
+%endif
 
 %description server-devel
 PostgreSQL is an advanced object-relational database management system