diff --git a/pkgs/development/python-modules/bitarray/default.nix b/pkgs/development/python-modules/bitarray/default.nix
index c6a82d8ec42c..1e995af39207 100644
--- a/pkgs/development/python-modules/bitarray/default.nix
+++ b/pkgs/development/python-modules/bitarray/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "bitarray";
-  version = "1.5.1";
+  version = "1.5.3";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "45bba08bc142781ec7e18a847735219390808f9b6279c356252edddaee1f5fcd";
+    sha256 = "567631fc922b1c2c528c376795f18dcc0604d18702e0b8b50e8e35f0474214a5";
   };
 
   meta = with lib; {