diff --git a/coq-reloc.opam b/coq-reloc.opam
index 12e091ee5fd022f19d4dda7b3c7c117193f59d31..392312ef3985c7a22ec5ac3ba9a8bf2716a54fdd 100644
--- a/coq-reloc.opam
+++ b/coq-reloc.opam
@@ -6,7 +6,7 @@ bug-reports: "https://gitlab.mpi-sws.org/dfrumin/reloc/issues"
 dev-repo: "git+https://gitlab.mpi-sws.org/dfrumin/reloc.git"
 
 depends: [
-  "coq-iris-heap-lang" { (= "dev.2023-09-14.3.60632dd7") | (= "dev") }
+  "coq-iris-heap-lang" { (= "dev.2023-09-29.0.4f3a385f") | (= "dev") }
   "coq-autosubst" { = "dev" }
 ]