diff --git a/ppx_js_style.opam b/ppx_js_style.opam
index b0e4131..6bf70c5 100644
--- a/ppx_js_style.opam
+++ b/ppx_js_style.opam
@@ -10,7 +10,7 @@ build: [
   ["dune" "build" "-p" name "-j" jobs]
 ]
 depends: [
-  "ocaml" {>= "4.14.0"}
+  "ocaml" {>= "5.1.0"}
   "base"
   "dune"     {>= "2.0.0"}
   "octavius"