diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 9b40c8d0f163..4fe80cd2f9d7 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -23041,10 +23041,11 @@ in modules // {
   twisted = buildPythonPackage rec {
     disabled = isPy3k;
 
-    name = "Twisted-15.5.0";
+    name = "Twisted-${version}";
+    version = "16.2.0";
     src = pkgs.fetchurl {
       url = "mirror://pypi/T/Twisted/${name}.tar.bz2";
-      sha256 = "0zy18lcrris4aaslil5k12i13k56c32hzfdv6h10kbnzl026h158";
+      sha256 = "0ydxrp9myw1mvsz3qfzx5579y5llmqa82pxvqchgp5syczffi450";
     };
 
     propagatedBuildInputs = with self; [ zope_interface ];