diff --git a/pkgs/development/ocaml-modules/notty/default.nix b/pkgs/development/ocaml-modules/notty/default.nix
index f273f28a71eb..420e632b99e5 100644
--- a/pkgs/development/ocaml-modules/notty/default.nix
+++ b/pkgs/development/ocaml-modules/notty/default.nix
@@ -4,19 +4,19 @@
 
 with stdenv.lib;
 
-if !versionAtLeast ocaml.version "4.03"
+if !versionAtLeast ocaml.version "4.05"
 then throw "notty is not available for OCaml ${ocaml.version}"
 else
 
 let withLwt = lwt != null; in
 
 stdenv.mkDerivation rec {
-  version = "0.2.1";
+  version = "0.2.2";
   name = "ocaml${ocaml.version}-notty-${version}";
 
   src = fetchurl {
     url = "https://github.com/pqwy/notty/releases/download/v${version}/notty-${version}.tbz";
-    sha256 = "0wdfmgx1mz77s7m451vy8r9i4iqwn7s7b39kpbpckf3w9417riq0";
+    sha256 = "1y3hx8zjri3x50nyiqal5gak1sw54gw3xssrqbj7srinvkdmrz1q";
   };
 
   buildInputs = [ ocaml findlib ocamlbuild topkg ocb-stubblr ];