diff --git a/pkgs/development/python-modules/nicegui/default.nix b/pkgs/development/python-modules/nicegui/default.nix
index 287d71e36deb..4db5c9ee06aa 100644
--- a/pkgs/development/python-modules/nicegui/default.nix
+++ b/pkgs/development/python-modules/nicegui/default.nix
@@ -43,17 +43,20 @@
 
 buildPythonPackage (finalAttrs: {
   pname = "nicegui";
-  version = "3.6.1";
+  version = "3.7.1";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "zauberzeug";
     repo = "nicegui";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-umM2ffkiXWJVU2i17fbtnd+ghEt0uVzop9fNhaRTCWM=";
+    hash = "sha256-+hZUGRHK51x4nlcbOOGbW15U6YZgKsxuzZPBad9mjXA=";
   };
 
-  pythonRelaxDeps = [ "requests" ];
+  pythonRelaxDeps = [
+    "orjson"
+    "requests"
+  ];
 
   build-system = [
     poetry-core
diff --git a/pkgs/development/python-modules/vbuild/default.nix b/pkgs/development/python-modules/vbuild/default.nix
index 980f0ac52d57..44159eac510b 100644
--- a/pkgs/development/python-modules/vbuild/default.nix
+++ b/pkgs/development/python-modules/vbuild/default.nix
@@ -8,7 +8,7 @@
   pythonAtLeast,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "vbuild";
   version = "0.8.2";
   pyproject = true;
@@ -16,16 +16,20 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "manatlan";
     repo = "vbuild";
-    tag = "v${version}";
+    tag = "v${finalAttrs.version}";
     hash = "sha256-p9v1FiYn0cI+f/25hvjwm7eb1GqxXvNnmXBGwZe9fk0=";
   };
 
   postPatch = ''
     # Switch to poetry-core, patch can't be applied, https://github.com/manatlan/vbuild/pull/12
     substituteInPlace pyproject.toml \
-      --replace-fail 'version = "0.0.0"' 'version = "${version}"' \
+      --replace-fail 'version = "0.0.0"' 'version = "${finalAttrs.version}"' \
       --replace-fail 'requires = ["poetry>=0.12"]' 'requires = ["poetry-core>=1.0.0"]' \
       --replace-fail 'build-backend = "poetry.masonry.api"' 'build-backend = "poetry.core.masonry.api"'
+    # https://github.com/manatlan/vbuild/commit/b9861bffd5d15491d5b5a4cb2a96bb71ceff0c35 is incomplete
+    substituteInPlace vbuild/__init__.py \
+      --replace-fail ", pkgutil" ", importlib.util" \
+      --replace-fail "pkgutil.find_loader" "importlib.util.find_spec"
   '';
 
   pythonRelaxDeps = [ "pscript" ];
@@ -57,8 +61,8 @@ buildPythonPackage rec {
   meta = {
     description = "Module to compile your VueJS components to standalone HTML/JS/CSS";
     homepage = "https://github.com/manatlan/vbuild";
-    changelog = "https://github.com/manatlan/vbuild/blob/${src.rev}/changelog.md";
+    changelog = "https://github.com/manatlan/vbuild/blob/${finalAttrs.src.rev}/changelog.md";
     license = lib.licenses.mit;
     maintainers = with lib.maintainers; [ fab ];
   };
-}
+})