diff --git a/pkgs/tools/misc/pv/default.nix b/pkgs/tools/misc/pv/default.nix
index 8a3aa08abb7..cd1e5457639 100644
--- a/pkgs/tools/misc/pv/default.nix
+++ b/pkgs/tools/misc/pv/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl } :
 
 stdenv.mkDerivation rec {
-  name = "pv-1.6.0";
+  name = "pv-1.6.6";
 
   src = fetchurl {
     url = "http://www.ivarch.com/programs/sources/${name}.tar.bz2";
-    sha256 = "13gg6r84pkvznpd1l11qw1jw9yna40gkgpni256khyx21m785khf";
+    sha256 = "1wbk14xh9rfypiwyy68ssl8dliyji30ly70qki1y2xx3ywszk3k0";
   };
 
   meta = {