diff --git a/pkgs/development/python-modules/bitarray/default.nix b/pkgs/development/python-modules/bitarray/default.nix
index 0b57a8a737cf..c6a82d8ec42c 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 = "1.5.0";
+  version = "1.5.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "e1823b33d2caa7fc54ab5507eff316e74abfdc30434db8f3be908ab52a330021";
+    sha256 = "45bba08bc142781ec7e18a847735219390808f9b6279c356252edddaee1f5fcd";
   };
 
   meta = with lib; {