diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 8b9d86cbff1..3746f860b66 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -19942,12 +19942,12 @@ in modules // {
 
   sipsimple = buildPythonPackage rec {
     name = "sipsimple-${version}";
-    version = "2.6.0";
+    version = "3.0.0";
     disabled = isPy3k;
 
     src = pkgs.fetchurl {
       url = "http://download.ag-projects.com/SipClient/python-${name}.tar.gz";
-      sha256 = "0xcyasas28q1ad1hgw4vd62b72mf1sng7xwfcls6dc05k9p3q8v3";
+      sha256 = "1q35kgz151rr99240jq55rs39y741m8shh9yihl3x95rkjxchji4";
     };
 
     propagatedBuildInputs = with self; [ cython pkgs.openssl dns dateutil xcaplib msrplib lxml ];