diff --git a/pkgs/development/tools/ocaml/ocamlformat/generic.nix b/pkgs/development/tools/ocaml/ocamlformat/generic.nix
index 59c77f6e142..8fac26c2b3e 100644
--- a/pkgs/development/tools/ocaml/ocamlformat/generic.nix
+++ b/pkgs/development/tools/ocaml/ocamlformat/generic.nix
@@ -1,4 +1,4 @@
-{ lib, fetchurl, fetchzip, ocamlPackages
+{ lib, fetchurl, fetchzip, ocaml-ng
 , version
 , tarballName ? "ocamlformat-${version}.tbz",
 }:
@@ -22,6 +22,12 @@ let src =
   }
 ; in
 
+let ocamlPackages =
+  if lib.versionAtLeast version "0.14.3"
+  then ocaml-ng.ocamlPackages
+  else ocaml-ng.ocamlPackages_4_07
+; in
+
 with ocamlPackages;
 
 buildDunePackage rec {