diff --git a/pkgs/development/python-modules/twisted/default.nix b/pkgs/development/python-modules/twisted/default.nix
index 6898863e8afc..66a6022802fb 100644
--- a/pkgs/development/python-modules/twisted/default.nix
+++ b/pkgs/development/python-modules/twisted/default.nix
@@ -1,17 +1,17 @@
 { stdenv, buildPythonPackage, fetchurl, python,
-  zope_interface, incremental, automat, constantly
+  zope_interface, incremental, automat, constantly, hyperlink
 }:
 buildPythonPackage rec {
   pname = "Twisted";
   name = "${pname}-${version}";
-  version = "17.1.0";
+  version = "17.5.0";
 
   src = fetchurl {
     url = "mirror://pypi/T/Twisted/${name}.tar.bz2";
-    sha256 = "1p245mg15hkxp7hy5cyq2fgvlgjkb4cg0gwkwd148nzy1bbi3wnv";
+    sha256 = "1sh2h23nnizcdyrl2rn7zxijglikxwz7z7grqpvq496zy2aa967i";
   };
 
-  propagatedBuildInputs = [ zope_interface incremental automat constantly ];
+  propagatedBuildInputs = [ zope_interface incremental automat constantly hyperlink ];
 
   # Patch t.p._inotify to point to libc. Without this,
   # twisted.python.runtime.platform.supportsINotify() == False