diff --git a/pkgs/development/ocaml-modules/multicore-bench/default.nix b/pkgs/development/ocaml-modules/multicore-bench/default.nix
index 7f367f983eea..4e7ecf88a560 100644
--- a/pkgs/development/ocaml-modules/multicore-bench/default.nix
+++ b/pkgs/development/ocaml-modules/multicore-bench/default.nix
@@ -2,6 +2,7 @@
   lib,
   buildDunePackage,
   fetchurl,
+  backoff,
   domain-local-await,
   mtime,
   multicore-magic,
@@ -10,14 +11,15 @@
 
 buildDunePackage rec {
   pname = "multicore-bench";
-  version = "0.1.4";
+  version = "0.1.7";
 
   src = fetchurl {
     url = "https://github.com/ocaml-multicore/multicore-bench/releases/download/${version}/multicore-bench-${version}.tbz";
-    hash = "sha256-iCx5QvhYo/e53cW23Sza2as4aez4HeESVvLPF1DW85A=";
+    hash = "sha256-vrp9yiuTwhijhYjeDKPFRGyh/5LeydKWJSyMLZRRXIM=";
   };
 
   propagatedBuildInputs = [
+    backoff
     domain-local-await
     mtime
     multicore-magic