diff --git a/pkgs/development/python-modules/XlsxWriter/default.nix b/pkgs/development/python-modules/XlsxWriter/default.nix
index c512b17332fc..d8209b233977 100644
--- a/pkgs/development/python-modules/XlsxWriter/default.nix
+++ b/pkgs/development/python-modules/XlsxWriter/default.nix
@@ -3,11 +3,11 @@
 buildPythonPackage rec {
   name = "${pname}-${version}";
   pname = "XlsxWriter";
-  version = "1.0.2";
+  version = "1.0.4";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0mpq4l1jfghdqx2vzbzl9v28vw69lkx5vz9gb77gzaw8zypvnsx2";
+    sha256 = "ad947fd9e8edfb64f25e0ccfb161e109f279e5a5520b3dd22ddc03b7f8220887";
   };
 
   meta = {