diff --git a/postgresql.spec b/postgresql.spec
index ef2b3db..c1c4938 100644
--- a/postgresql.spec
+++ b/postgresql.spec
@@ -183,6 +183,8 @@ Requires(postun): glibc
 Requires(post): systemd-units
 Requires(preun): systemd-units
 Requires(postun): systemd-units
+Conflicts: systemd < 38
+Conflicts: filesystem < 3
 # This is actually needed for the %%triggerun script but Requires(triggerun)
 # is not valid.  We can use post because this particular %%triggerun script
 # should fire just after this package is installed.