diff --git a/pkgs/tools/networking/isync/default.nix b/pkgs/tools/networking/isync/default.nix
index 5d05677bb29..761dc01d2f9 100644
--- a/pkgs/tools/networking/isync/default.nix
+++ b/pkgs/tools/networking/isync/default.nix
@@ -1,11 +1,11 @@
 { fetchurl, stdenv, openssl, pkgconfig, db, cyrus_sasl }:
 
 stdenv.mkDerivation rec {
-  name = "isync-1.2.0";
+  name = "isync-1.2.1";
 
   src = fetchurl {
     url = "mirror://sourceforge/isync/${name}.tar.gz";
-    sha256 = "0n8fwvv88h7ps7qs122kgh1yx5308765fiwqav5h7m272vg7hf43";
+    sha256 = "1bij6nm06ghkg98n2pdyacam2fyg5y8f7ajw0d5653m0r4ldw5p7";
   };
 
   buildInputs = [ openssl pkgconfig db cyrus_sasl ];