diff --git a/pkgs/development/python-modules/bitarray/default.nix b/pkgs/development/python-modules/bitarray/default.nix
index ea2c20df2051..be7f69fbd8dc 100644
--- a/pkgs/development/python-modules/bitarray/default.nix
+++ b/pkgs/development/python-modules/bitarray/default.nix
@@ -6,11 +6,11 @@
 
 buildPythonPackage rec {
   pname = "bitarray";
-  version = "2.3.7";
+  version = "2.4.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-TaeQqxk+mTEH8/8K68T41q1RlqGQcfuvrRawKJikT9c=";
+    sha256 = "sha256-8SA+kC1R3zGRfXfuupw/540DKHOirXjHN+JkIPAIDlg=";
   };
 
   checkPhase = ''