diff --git a/pkgs/development/python-modules/jdatetime/default.nix b/pkgs/development/python-modules/jdatetime/default.nix
index 90f7c310faa8..96e8e4d7c34f 100644
--- a/pkgs/development/python-modules/jdatetime/default.nix
+++ b/pkgs/development/python-modules/jdatetime/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "jdatetime";
-  version = "3.6.2";
+  version = "3.6.4";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "a589e35f0dab89283c1a3de9d70ed6cf657932aaed8e8ce1b0e5801aaab1da67";
+    sha256 = "39d0be41076b3a3850c3bfa90817e7ed459edc0e9cadce37dc7229b11f121c7e";
   };
 
   propagatedBuildInputs = [ six ];