diff --git a/pkgs/development/python-modules/bitlist/default.nix b/pkgs/development/python-modules/bitlist/default.nix
index ac8cf39cff2f..9dea05cac9ea 100644
--- a/pkgs/development/python-modules/bitlist/default.nix
+++ b/pkgs/development/python-modules/bitlist/default.nix
@@ -8,11 +8,11 @@
 
 buildPythonPackage rec {
   pname = "bitlist";
-  version = "0.3.1";
+  version = "0.4.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "04dz64r21a39p8wph5qlhvs5y873qgk6xxjlzw8n695b8jm3ixir";
+    sha256 = "sha256-IL1tpP/F6O3BvJab6aC6r6PhRgKFpLp9aXmOK1rQXaU=";
   };
 
   propagatedBuildInputs = [