diff --git a/pkgs/development/python-modules/hickle/default.nix b/pkgs/development/python-modules/hickle/default.nix
index 0806573d7be..036122f702b 100644
--- a/pkgs/development/python-modules/hickle/default.nix
+++ b/pkgs/development/python-modules/hickle/default.nix
@@ -19,12 +19,12 @@
 
 buildPythonPackage rec {
   pname   = "hickle";
-  version = "4.0.1";
+  version = "4.0.4";
   disabled = pythonOlder "3.5";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "fcf2c4f9e4b7f0d9dae7aa6c59a58473884017875d3b17898d56eaf8a9c1da96";
+    sha256 = "0d35030a76fe1c7fa6480088cde932689960ed354a2539ffaf5f3c90c578c06f";
   };
 
   postPatch = ''