diff --git a/opam.pins b/opam.pins
index 5775bb5635d76c552766af51abed9f1e4b87ccd4..17c7d2956d510756570485db4b9afda27cfe0624 100644
--- a/opam.pins
+++ b/opam.pins
@@ -1 +1 @@
-coq-stdpp https://gitlab.mpi-sws.org/robbertkrebbers/coq-stdpp 36363712499dbdf7a4cd2acf91877787b839c79a
+coq-stdpp https://gitlab.mpi-sws.org/robbertkrebbers/coq-stdpp fd8a6717a2610c00dec920ee5f33b00b14ef1fbf
diff --git a/theories/base_logic/lib/namespaces.v b/theories/base_logic/lib/namespaces.v
index d806f9eedafa5a637d3b9833e09b5a993cc48c8e..c4eb25c658c79967b81d36ff1ad5aa1788bb278e 100644
--- a/theories/base_logic/lib/namespaces.v
+++ b/theories/base_logic/lib/namespaces.v
@@ -93,6 +93,7 @@ Hint Extern 0 (_ ⊥ _) => apply ndot_ne_disjoint; congruence : ndisj.
 Hint Resolve ndot_preserve_disjoint_l ndot_preserve_disjoint_r
      nclose_subseteq' ndisj_difference_l : ndisj.
 Hint Resolve namespace_subseteq_difference_l | 100 : ndisj.
+Hint Resolve (empty_subseteq (A:=positive) (C:=coPset)) : ndisj.
 
 Ltac solve_ndisj :=
   repeat match goal with