diff --git a/pkgs/development/python-modules/mpi4py/default.nix b/pkgs/development/python-modules/mpi4py/default.nix
index b95bb5d0142e..46d7a5277436 100644
--- a/pkgs/development/python-modules/mpi4py/default.nix
+++ b/pkgs/development/python-modules/mpi4py/default.nix
@@ -14,14 +14,14 @@
 
 buildPythonPackage rec {
   pname = "mpi4py";
-  version = "4.1.1";
+  version = "4.1.2";
   pyproject = true;
 
   src = fetchFromGitHub {
     repo = "mpi4py";
     owner = "mpi4py";
     tag = version;
-    hash = "sha256-I7b4x3pxtfbmlbno5OIxo4HutRX3/RjdsoNtBRKgE5w=";
+    hash = "sha256-h9RZr+xLmp+cVvrPkew3AOJLE8okd4A/2oqhsSmVBXU=";
   };
 
   build-system = [