diff --git a/CHANGES.md b/CHANGES.md
index 4d797a1..54587eb 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,8 @@
+1.1+19 (2025/01/09)
+-------------------
+
+* Add support for OCaml 5.3 when using certain C++ compilers (e.g. macOS default C++ compiler) (#56 @kit-ty-kate)
+
 1.1+18 (2024/08/21)
 -------------------
 
diff --git a/mccs.opam b/mccs.opam
index 43a6483..7523470 100644
--- a/mccs.opam
+++ b/mccs.opam
@@ -1,5 +1,5 @@
 opam-version: "2.0"
-version: "1.1+18"
+version: "1.1+19"
 synopsis: """\
 MCCS (which stands for Multi Criteria CUDF Solver) is a CUDF problem solver
 developed at UNS during the European MANCOOSI project"""
@@ -16,7 +16,7 @@ license: [
 homepage: "https://www.i3s.unice.fr/~cpjm/misc/"
 bug-reports: "https://github.com/ocaml-opam/ocaml-mccs/issues"
 depends: [
-  "ocaml"
+  "ocaml" {>= "4.02"}
   "dune" {>= "1.0"}
   "cudf" {>= "0.7"}
   "conf-c++" {build}