diff --git a/pkgs/development/ocaml-modules/backoff/default.nix b/pkgs/development/ocaml-modules/backoff/default.nix
new file mode 100644
index 000000000000..5f8f7a12d79b
--- /dev/null
+++ b/pkgs/development/ocaml-modules/backoff/default.nix
@@ -0,0 +1,24 @@
+{ lib, buildDunePackage, fetchurl, alcotest}:
+
+buildDunePackage rec {
+  pname = "backoff";
+  version = "0.1.0";
+
+  src = fetchurl {
+    url = "https://github.com/ocaml-multicore/backoff/releases/download/${version}/backoff-${version}.tbz";
+    hash = "sha256-EaSseCKekNE03gaNiqh5Y11r8TF9XulR9AZboPWMIwA=";
+  };
+
+  doCheck = true;
+
+  checkInputs = [ alcotest ];
+
+  meta = {
+    description = "Exponential backoff mechanism for OCaml";
+    homepage = "https://github.com/ocaml-multicore/backoff";
+    license = lib.licenses.isc;
+    maintainers = [ lib.maintainers.vbgl ];
+  };
+
+  minimalOCamlVersion = "4.13";
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index d550e02e42df..d7509a7efa9f 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -64,6 +64,8 @@ let
 
     b0 = callPackage ../development/ocaml-modules/b0 { };
 
+    backoff = callPackage ../development/ocaml-modules/backoff { };
+
     bap = janeStreet_0_15.bap;
 
     base64 = callPackage ../development/ocaml-modules/base64 { };