diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 1237b47f79b8..0dd58a0a69c2 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -28078,7 +28078,9 @@ with pkgs;
 
   opusTools = callPackage ../applications/audio/opus-tools { };
 
-  orpie = callPackage ../applications/misc/orpie { };
+  orpie = callPackage ../applications/misc/orpie {
+    ocamlPackages = ocaml-ng.ocamlPackages_4_12;
+  };
 
   osmo = callPackage ../applications/office/osmo { };