diff --git a/pkgs/development/ocaml-modules/csv/default.nix b/pkgs/development/ocaml-modules/csv/default.nix
index c168045831f..804cbb8ea85 100644
--- a/pkgs/development/ocaml-modules/csv/default.nix
+++ b/pkgs/development/ocaml-modules/csv/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, ocaml, findlib, jbuilder }:
 
 stdenv.mkDerivation rec {
-	version = "2.0";
+	version = "2.1";
 	name = "ocaml${ocaml.version}-csv-${version}";
 	src = fetchurl {
-		url = "https://github.com/Chris00/ocaml-csv/releases/download/2.0/csv-2.0.tbz";
-		sha256 = "1g6xsybwc5ifr7n4hkqlh3294njzca12xg86ghh6pqy350wpq1zp";
+		url = "https://github.com/Chris00/ocaml-csv/releases/download/2.1/csv-2.1.tbz";
+		sha256 = "0cgfb6cwhwy7ypc1i3jyfz6sdnykp75aqi6kk0g1a2d81yjwzbcg";
 	};
 
 	unpackCmd = "tar -xjf $src";