diff --git a/ocaml-solo5-cross-aarch64.opam b/ocaml-solo5-cross-aarch64.opam
index e968609f..e823e219 100644
--- a/ocaml-solo5-cross-aarch64.opam
+++ b/ocaml-solo5-cross-aarch64.opam
@@ -32,7 +32,7 @@ depends: [
   "conf-pkg-config" {build} # to detect how to link with zstd
   "ocamlfind" {build} # needed by dune context (for tests)
   "ocaml-src" {build}
-  "ocaml" {= "5.2.1"}
+  "ocaml" {= "5.3.0"}
   "solo5" {>= "0.9.0"}
   "solo5-cross-aarch64" {>= "0.9.0" }
 ]
diff --git a/ocaml-solo5.opam b/ocaml-solo5.opam
index 6adbbb20..fe63619d 100644
--- a/ocaml-solo5.opam
+++ b/ocaml-solo5.opam
@@ -32,7 +32,7 @@ depends: [
   "conf-pkg-config" {build} # to detect how to link with zstd
   "ocamlfind" {build} # needed by dune context (for tests)
   "ocaml-src" {build}
-  "ocaml" {= "5.2.1"}
+  "ocaml" {= "5.3.0"}
   "solo5" {>= "0.9.0"}
 ]
 conflicts: [