diff --git a/dune-project b/dune-project
index f4013968..f258af9d 100644
--- a/dune-project
+++ b/dune-project
@@ -18,7 +18,7 @@ Unicode. Unlike ocamllex, sedlex allows lexer specifications within regular
 OCaml source files. Lexing specific constructs are provided via a ppx syntax
 extension.")
  (depends
-   (ocaml (>= 4.08))
+   (ocaml (>= 4.14))
    dune
    (ppxlib (>= 0.26.0))
    gen
diff --git a/sedlex.opam b/sedlex.opam
index 0aa7f20f..e2422444 100644
--- a/sedlex.opam
+++ b/sedlex.opam
@@ -16,7 +16,7 @@ license: "MIT"
 homepage: "https://github.com/ocaml-community/sedlex"
 bug-reports: "https://github.com/ocaml-community/sedlex/issues"
 depends: [
-  "ocaml" {>= "4.08"}
+  "ocaml" {>= "4.14"}
   "dune" {>= "2.8"}
   "ppxlib" {>= "0.26.0"}
   "gen"