diff --git a/dune-project b/dune-project
index ddb7687d..0db92bff 100644
--- a/dune-project
+++ b/dune-project
@@ -64,7 +64,7 @@ format.")
 than ppxlib itself. Also the benchmark runner has dependencies that ppxlib doesn't
 have.")
  (depends
-  (ocaml (>= 4.08.0))
+  (ocaml (>= 4.10.0))
   (ppxlib (= :version))
   base
   yojson))
diff --git a/ppxlib-bench.opam b/ppxlib-bench.opam
index a5cd2e52..1f07f8da 100644
--- a/ppxlib-bench.opam
+++ b/ppxlib-bench.opam
@@ -13,7 +13,7 @@ doc: "https://ocaml-ppx.github.io/ppxlib/"
 bug-reports: "https://github.com/ocaml-ppx/ppxlib/issues"
 depends: [
   "dune" {>= "3.8"}
-  "ocaml" {>= "4.08.0"}
+  "ocaml" {>= "4.10.0"}
   "ppxlib" {= version}
   "base"
   "yojson"