diff --git a/contrib/osmo-smlc.spec.in b/contrib/osmo-smlc.spec.in
index ffaef03..4984efc 100644
--- a/contrib/osmo-smlc.spec.in
+++ b/contrib/osmo-smlc.spec.in
@@ -33,12 +33,12 @@
 BuildRequires:  systemd-rpm-macros
 %endif
 BuildRequires:  pkgconfig(libosmo-netif) >= 1.1.0
-BuildRequires:  pkgconfig(libosmo-sccp) >= 1.4.0
-BuildRequires:  pkgconfig(libosmo-sigtran) >= 1.4.0
-BuildRequires:  pkgconfig(libosmocore) >= 1.5.0
-BuildRequires:  pkgconfig(libosmoctrl) >= 1.5.0
-BuildRequires:  pkgconfig(libosmogsm) >= 1.5.0
-BuildRequires:  pkgconfig(libosmovty) >= 1.5.0
+BuildRequires:  pkgconfig(libosmo-sccp) >= 1.5.0
+BuildRequires:  pkgconfig(libosmo-sigtran) >= 1.5.0
+BuildRequires:  pkgconfig(libosmocore) >= 1.6.0
+BuildRequires:  pkgconfig(libosmoctrl) >= 1.6.0
+BuildRequires:  pkgconfig(libosmogsm) >= 1.6.0
+BuildRequires:  pkgconfig(libosmovty) >= 1.6.0
 BuildRequires:  pkgconfig(talloc)
 %{?systemd_requires}