diff --git a/pkgs/development/python-modules/bitarray/default.nix b/pkgs/development/python-modules/bitarray/default.nix
index 3c84366c9d13..f119aedc4b82 100644
--- a/pkgs/development/python-modules/bitarray/default.nix
+++ b/pkgs/development/python-modules/bitarray/default.nix
@@ -1,12 +1,12 @@
 { lib, buildPythonPackage, fetchPypi }:
 
 buildPythonPackage rec {
-  version = "1.1.0";
+  version = "1.2.0";
   pname = "bitarray";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0nv1283qcfilhnb4q6znlijply6lfxwpvp10cr0v33l0qwa86mwz";
+    sha256 = "4f8706b651243c9faa981f075bcbdef2fab83e9b9bc9211ed2cb5849f9a68342";
   };
 
   meta = with lib; {