diff --git a/pkgs/tools/system/which/default.nix b/pkgs/tools/system/which/default.nix
index 6b151709b63f..482d495ba83a 100644
--- a/pkgs/tools/system/which/default.nix
+++ b/pkgs/tools/system/which/default.nix
@@ -1,5 +1,5 @@
 {stdenv, fetchurl}: stdenv.mkDerivation {
-  name = "which-2.16";
+  name = "which-2.17";
   src = fetchurl {
     url = http://ftp.gnu.org/gnu/which/which-2.17.tar.gz;
     sha256 = "1nnnbn83da8481blmcyv96gm15ccsilr93fmgmwdlzj8a72fjvqp";