diff --git a/pkgs/development/ocaml-modules/biocaml/default.nix b/pkgs/development/ocaml-modules/biocaml/default.nix
index b82ec736179..f60a2c24ef9 100644
--- a/pkgs/development/ocaml-modules/biocaml/default.nix
+++ b/pkgs/development/ocaml-modules/biocaml/default.nix
@@ -6,9 +6,7 @@ buildDunePackage rec {
   pname = "biocaml";
   version = "0.11.2";
 
-  useDune2 = true;
-
-  minimumOCamlVersion = "4.08";
+  minimalOCamlVersion = "4.11";
 
   src = fetchFromGitHub {
     owner = "biocaml";