diff --git a/pkgs/development/python-modules/bitarray/default.nix b/pkgs/development/python-modules/bitarray/default.nix
index 06329c8ab902..2036d4dba4bd 100644
--- a/pkgs/development/python-modules/bitarray/default.nix
+++ b/pkgs/development/python-modules/bitarray/default.nix
@@ -1,17 +1,18 @@
 { lib, buildPythonPackage, fetchPypi }:
 
 buildPythonPackage rec {
-  version = "1.2.1";
   pname = "bitarray";
+  version = "1.2.2";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1kxrlxfj9nrx512sfwifwl9z4v6ky3qschl0zmk3s3dvc3s7bmif";
+    sha256 = "0m29k3lq37v53pczyr2d5mr3xdh2kv31g2yfnfx8m1ivxvy9z9i7";
   };
 
   meta = with lib; {
     description = "Efficient arrays of booleans";
     homepage = "https://github.com/ilanschnell/bitarray";
+    changelog = "https://github.com/ilanschnell/bitarray/blob/master/CHANGE_LOG";
     license = licenses.psfl;
     maintainers = [ maintainers.bhipple ];
   };