diff --git a/pkgs/development/python-modules/lance-namespace-urllib3-client/default.nix b/pkgs/development/python-modules/lance-namespace-urllib3-client/default.nix
index c3d6fd8c3bf9..8edc6ec68659 100644
--- a/pkgs/development/python-modules/lance-namespace-urllib3-client/default.nix
+++ b/pkgs/development/python-modules/lance-namespace-urllib3-client/default.nix
@@ -18,14 +18,14 @@
 
 buildPythonPackage (finalAttrs: {
   pname = "lance-namespace";
-  version = "0.4.4";
+  version = "0.4.5";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "lancedb";
     repo = "lance-namespace";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-aNo6rrWnnFpFk3iPX1sQsuXTDkE5ZRA/9P7TQeJr4iI=";
+    hash = "sha256-cUwvPPOQemusthuTMttdojqApnWL4JmCdSB5oGZCfZ8=";
   };
 
   sourceRoot = "${finalAttrs.src.name}/python/lance_namespace_urllib3_client";
diff --git a/pkgs/development/python-modules/lance-namespace/default.nix b/pkgs/development/python-modules/lance-namespace/default.nix
index 6853775d1816..8ec45715bb05 100644
--- a/pkgs/development/python-modules/lance-namespace/default.nix
+++ b/pkgs/development/python-modules/lance-namespace/default.nix
@@ -30,14 +30,14 @@
 
 buildPythonPackage (finalAttrs: {
   pname = "lance-namespace";
-  version = "0.4.4";
+  version = "0.4.5";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "lancedb";
     repo = "lance-namespace";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-aNo6rrWnnFpFk3iPX1sQsuXTDkE5ZRA/9P7TQeJr4iI=";
+    hash = "sha256-cUwvPPOQemusthuTMttdojqApnWL4JmCdSB5oGZCfZ8=";
   };
 
   sourceRoot = "${finalAttrs.src.name}/python/lance_namespace";
diff --git a/pkgs/development/python-modules/lancedb/default.nix b/pkgs/development/python-modules/lancedb/default.nix
index 67e143c824a1..0726bc273cb7 100644
--- a/pkgs/development/python-modules/lancedb/default.nix
+++ b/pkgs/development/python-modules/lancedb/default.nix
@@ -40,7 +40,7 @@
   nix-update-script,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "lancedb";
   version = "0.26.1";
   pyproject = true;
@@ -48,14 +48,14 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "lancedb";
     repo = "lancedb";
-    tag = "python-v${version}";
+    tag = "python-v${finalAttrs.version}";
     hash = "sha256-yx4cwO7qRH9/1rW0UFz17HkvJ8utJynYoAHnN+wPpKw=";
   };
 
   buildAndTestSubdir = "python";
 
   cargoDeps = rustPlatform.fetchCargoVendor {
-    inherit pname version src;
+    inherit (finalAttrs) pname version src;
     hash = "sha256-ymoA/KKL7oLgp5u/NcXxbYfOueiKH+bpLxLcO+mn0Eo=";
   };
 
@@ -139,8 +139,8 @@ buildPythonPackage rec {
   meta = {
     description = "Developer-friendly, serverless vector database for AI applications";
     homepage = "https://github.com/lancedb/lancedb";
-    changelog = "https://github.com/lancedb/lancedb/releases/tag/python-v${version}";
+    changelog = "https://github.com/lancedb/lancedb/releases/tag/${finalAttrs.src.tag}";
     license = lib.licenses.asl20;
     maintainers = with lib.maintainers; [ natsukium ];
   };
-}
+})
diff --git a/pkgs/development/python-modules/pylance/default.nix b/pkgs/development/python-modules/pylance/default.nix
index fedf0cade6e5..d7f296181967 100644
--- a/pkgs/development/python-modules/pylance/default.nix
+++ b/pkgs/development/python-modules/pylance/default.nix
@@ -32,7 +32,7 @@
   tqdm,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "pylance";
   version = "1.0.1";
   pyproject = true;
@@ -40,14 +40,14 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "lancedb";
     repo = "lance";
-    tag = "v${version}";
+    tag = "v${finalAttrs.version}";
     hash = "sha256-S/zVpsfoQG9NYnJyAJm+a0LllVE/lfaCua+NA9DGIsw=";
   };
 
-  sourceRoot = "${src.name}/python";
+  sourceRoot = "${finalAttrs.src.name}/python";
 
   cargoDeps = rustPlatform.fetchCargoVendor {
-    inherit
+    inherit (finalAttrs)
       pname
       version
       src
@@ -96,7 +96,7 @@ buildPythonPackage rec {
     pytestCheckHook
     tqdm
   ]
-  ++ optional-dependencies.torch;
+  ++ finalAttrs.passthru.optional-dependencies.torch;
 
   preCheck = ''
     cd python/tests
@@ -155,8 +155,8 @@ buildPythonPackage rec {
   meta = {
     description = "Python wrapper for Lance columnar format";
     homepage = "https://github.com/lancedb/lance";
-    changelog = "https://github.com/lancedb/lance/releases/tag/v${version}";
+    changelog = "https://github.com/lancedb/lance/releases/tag/${finalAttrs.src.tag}";
     license = lib.licenses.asl20;
     maintainers = with lib.maintainers; [ natsukium ];
   };
-}
+})