diff --git a/pkgs/by-name/sm/smlfut/package.nix b/pkgs/by-name/sm/smlfut/package.nix
index 7caafc4db345..97ade088ed57 100644
--- a/pkgs/by-name/sm/smlfut/package.nix
+++ b/pkgs/by-name/sm/smlfut/package.nix
@@ -1,14 +1,14 @@
-{ lib, stdenv, fetchFromGitHub, mlton, futhark }:
+{ lib, stdenv, fetchFromGitHub, mlton, mlkit, futhark }:
 
 stdenv.mkDerivation rec {
   pname = "smlfut";
-  version = "1.3.0";
+  version = "1.6.2";
 
   src = fetchFromGitHub {
     owner = "diku-dk";
     repo = "smlfut";
     rev = "v${version}";
-    hash = "sha256-Oj5+UNtV2GKB2GNsSFKePVpa1msSZwwJI/YElwBSH98=";
+    hash = "sha256-0Bqgoyp43Y961BMghJFBUx+1lcM2HHlPDjPyLHquWiE=";
   };
 
   enableParallelBuilding = true;
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
 
   doCheck = true;
 
-  nativeCheckInputs = [ futhark ];
+  nativeCheckInputs = [ futhark mlkit ];
 
   checkTarget = "run_test";