diff --git a/pkgs/development/python-modules/zarr/default.nix b/pkgs/development/python-modules/zarr/default.nix
index 3bcfaece12a6..a26fa1dfef3c 100644
--- a/pkgs/development/python-modules/zarr/default.nix
+++ b/pkgs/development/python-modules/zarr/default.nix
@@ -12,12 +12,12 @@
 
 buildPythonPackage rec {
   pname = "zarr";
-  version = "2.9.3";
+  version = "2.9.4";
   disabled = isPy27;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "274d2c1642fab6b4ddd4e465df3cdd456a5f821ed9a425a075436b1d2110bf36";
+    sha256 = "5544c47bc2a35f8e8af58bee92378518018b484ba550e997759d18f40fa75719";
   };
 
   nativeBuildInputs = [