diff --git a/pkgs/tools/networking/isync/default.nix b/pkgs/tools/networking/isync/default.nix
index 5bdbe17e4d1..e62d819e1ec 100644
--- a/pkgs/tools/networking/isync/default.nix
+++ b/pkgs/tools/networking/isync/default.nix
@@ -1,11 +1,11 @@
 { fetchurl, stdenv, openssl, pkgconfig, db, zlib, cyrus_sasl, perl }:
 
 stdenv.mkDerivation rec {
-  name = "isync-1.3.0";
+  name = "isync-1.3.1";
 
   src = fetchurl {
     url = "mirror://sourceforge/isync/${name}.tar.gz";
-    sha256 = "173wd7x8y5sp94slzwlnb7zhgs32r57zl9xspl2rf4g3fqwmhpwd";
+    sha256 = "1sphd30jplii58y2zmw365bckm6pszmapcy905zhjll1sm1ldjv8";
   };
 
   nativeBuildInputs = [ pkgconfig perl ];