1 files changed, 7 insertions, 3 deletions
diff --git a/nixpkgs/pkgs/development/ocaml-modules/pyml/default.nix b/nixpkgs/pkgs/development/ocaml-modules/pyml/default.nix
index 7bc794fa2487..afcc47e38dc4 100644
--- a/nixpkgs/pkgs/development/ocaml-modules/pyml/default.nix
+++ b/nixpkgs/pkgs/development/ocaml-modules/pyml/default.nix
@@ -2,18 +2,20 @@
 
 stdenv.mkDerivation rec {
   pname = "pyml";
-  version = "20210226";
+  version = "20211015";
 
   src = fetchFromGitHub {
     owner  = "thierry-martinez";
     repo   = pname;
     rev    = version;
-    sha256 = "15xk6bgdzsf04d6wdjpr3s1ci2g7d7qnbq3102avkz179d5n62h7";
+    sha256 = "sha256-GCO6KlRhJmADFjQ5QF4naMQBskF63yqnJnLnuQsagEk=";
   };
 
-  buildInputs = [
+  nativeBuildInputs = [
     ocaml
     findlib
+  ];
+  buildInputs = [
     utop
     ncurses
   ];
@@ -23,6 +25,8 @@ stdenv.mkDerivation rec {
     stdcompat
   ];
 
+  strictDeps = true;
+
   buildPhase = ''
     make all pymltop pymlutop PREFIX=$out
   '';