diff --git a/pkgs/development/python-modules/lance-namespace/default.nix b/pkgs/development/python-modules/lance-namespace/default.nix
index e57b95a944c1..dacb8e124dc6 100644
--- a/pkgs/development/python-modules/lance-namespace/default.nix
+++ b/pkgs/development/python-modules/lance-namespace/default.nix
@@ -30,14 +30,14 @@
 
 buildPythonPackage rec {
   pname = "lance-namespace";
-  version = "0.3.2";
+  version = "0.4.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "lancedb";
     repo = "lance-namespace";
     tag = "v${version}";
-    hash = "sha256-tBInz9BEl6u7E8cAmtlHBqIG65kifPR+iv5/jNV3204=";
+    hash = "sha256-t6VCKG54Sxf92B1OmfXXsWaJww2fyEcMGpJy4z94HZs=";
   };
 
   sourceRoot = "${src.name}/python/lance_namespace";