diff --git a/pkgs/development/python-modules/mpi4py/default.nix b/pkgs/development/python-modules/mpi4py/default.nix
index b5f4e403ab38d4..9119db8a204bd1 100644
--- a/pkgs/development/python-modules/mpi4py/default.nix
+++ b/pkgs/development/python-modules/mpi4py/default.nix
@@ -4,12 +4,12 @@
 
 buildPythonPackage rec {
   pname = "mpi4py";
-  version = "3.1.5";
+  version = "3.1.6";
   format = "setuptools";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-pwbnbbklUTXC+10e9Uy097DkrZ4zy62n3idiYgXyoVM=";
+    hash = "sha256-yPpiXg+SsILvlVv7UvGfpmkdKSc9fXETXSlaoUPe5ss=";
   };
 
   passthru = {