diff --git a/pkgs/development/python-modules/bitstruct/default.nix b/pkgs/development/python-modules/bitstruct/default.nix
index 78b34dfbf17c..050e3f27bf71 100644
--- a/pkgs/development/python-modules/bitstruct/default.nix
+++ b/pkgs/development/python-modules/bitstruct/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "bitstruct";
-  version = "8.12.1";
+  version = "8.13.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "45b2b932ce6681f5c6ce8cba39abdd423b579b0568c76fa48b1e09c88368ede7";
+    sha256 = "sha256-e4fZ5B/1UqjK4G6iNow3crbzECvatLZeeTvnWQ1p8Ds=";
   };
 
   meta = with lib; {