diff --git a/pkgs/development/tools/misc/usb-modeswitch/default.nix b/pkgs/development/tools/misc/usb-modeswitch/default.nix
index bba7ef7fad04..cc28b011829c 100644
--- a/pkgs/development/tools/misc/usb-modeswitch/default.nix
+++ b/pkgs/development/tools/misc/usb-modeswitch/default.nix
@@ -1,11 +1,15 @@
 { stdenv, fetchurl, pkgconfig, libusb1 }:
 
-stdenv.mkDerivation rec {
-  name = "usb-modeswitch-2.2.0";
+let
+   version = "2.2.1";
+in
 
-  src =fetchurl {
+stdenv.mkDerivation rec {
+  name = "usb-modeswitch-${version}";
+
+  src = fetchurl {
     url = "http://www.draisberghof.de/usb_modeswitch/${name}.tar.bz2";
-    sha256 = "0flaj3mq0xhzk72kkpclwglf77kcw5rkwvkaimn5zvbiw4yi0li7";
+    sha256 = "1jqih1g0y78w03rchpw7fjvzwjfakak61qjp7hbr1m5nnsh2dn9p";
   };
 
   # make clean: we always build from source. It should be necessary on x86_64 only