diff --git a/pkgs/development/python-modules/twisted/default.nix b/pkgs/development/python-modules/twisted/default.nix
index a87cacdc29e2..5c4fea3f9b1b 100644
--- a/pkgs/development/python-modules/twisted/default.nix
+++ b/pkgs/development/python-modules/twisted/default.nix
@@ -16,12 +16,12 @@
 }:
 buildPythonPackage rec {
   pname = "Twisted";
-  version = "19.7.0";
+  version = "19.10.0";
 
   src = fetchPypi {
     inherit pname version;
     extension = "tar.bz2";
-    sha256 = "d5db93026568f60cacdc0615fcd21d46f694a6bfad0ef3ff53cde2b4bb85a39d";
+    sha256 = "7394ba7f272ae722a74f3d969dcf599bc4ef093bc392038748a490f1724a515d";
   };
 
   propagatedBuildInputs = [ zope_interface incremental automat constantly hyperlink pyhamcrest attrs setuptools ];