diff --git a/{{cookiecutter.github_project_name}}/.yarnrc.yml b/{{cookiecutter.github_project_name}}/.yarnrc.yml
new file mode 100644
index 0000000..3186f3f
--- /dev/null
+++ b/{{cookiecutter.github_project_name}}/.yarnrc.yml
@@ -0,0 +1 @@
+nodeLinker: node-modules
diff --git a/{{cookiecutter.github_project_name}}/README.md b/{{cookiecutter.github_project_name}}/README.md
index f85ca0f..4327a4c 100644
--- a/{{cookiecutter.github_project_name}}/README.md
+++ b/{{cookiecutter.github_project_name}}/README.md
@@ -25,7 +25,7 @@ jupyter nbextension enable --py [--sys-prefix|--user|--system] {{ cookiecutter.p
 
 Create a dev environment:
 ```bash
-conda create -n {{ cookiecutter.python_package_name }}-dev -c conda-forge nodejs yarn python jupyterlab
+conda create -n {{ cookiecutter.python_package_name }}-dev -c conda-forge nodejs python jupyterlab=4.0.11
 conda activate {{ cookiecutter.python_package_name }}-dev
 ```
 
@@ -39,7 +39,7 @@ notebook / lab frontend. For lab, this is done by the command:
 
 ```
 jupyter labextension develop --overwrite .
-yarn run build
+jlpm run build
 ```
 
 For classic notebook, you need to run:
@@ -61,7 +61,7 @@ terminals to watch for changes in the extension's source and automatically rebui
 
 ```bash
 # Watch the source directory in one terminal, automatically rebuilding when needed
-yarn run watch
+jlpm run watch
 # Run JupyterLab in another terminal
 jupyter lab
 ```
diff --git a/{{cookiecutter.github_project_name}}/package.json b/{{cookiecutter.github_project_name}}/package.json
index e0053c7..dbe7a7e 100644
--- a/{{cookiecutter.github_project_name}}/package.json
+++ b/{{cookiecutter.github_project_name}}/package.json
@@ -29,19 +29,19 @@
     "url": "https://github.com/{{ cookiecutter.github_organization_name }}/{{ cookiecutter.github_project_name }}"
   },
   "scripts": {
-    "build": "yarn run build:lib && yarn run build:nbextension && yarn run build:labextension:dev",
-    "build:prod": "yarn run build:lib && yarn run build:nbextension && yarn run build:labextension",
+    "build": "jlpm run build:lib && jlpm run build:nbextension && jlpm run build:labextension:dev",
+    "build:prod": "jlpm run build:lib && jlpm run build:nbextension && jlpm run build:labextension",
     "build:labextension": "jupyter labextension build .",
     "build:labextension:dev": "jupyter labextension build --development True .",
     "build:lib": "tsc",
     "build:nbextension": "webpack",
-    "clean": "yarn run clean:lib && yarn run clean:nbextension && yarn run clean:labextension",
+    "clean": "jlpm run clean:lib && jlpm run clean:nbextension && jlpm run clean:labextension",
     "clean:lib": "rimraf lib",
     "clean:labextension": "rimraf {{ cookiecutter.python_package_name }}/labextension",
     "clean:nbextension": "rimraf {{ cookiecutter.python_package_name }}/nbextension/static/index.js",
     "lint": "eslint . --ext .ts,.tsx --fix",
     "lint:check": "eslint . --ext .ts,.tsx",
-    "prepack": "yarn run build:lib",
+    "prepack": "jlpm run build:lib",
     "test": "jest",
     "watch": "npm-run-all -p watch:*",
     "watch:lib": "tsc -w",
@@ -52,35 +52,40 @@
     "@jupyter-widgets/base": "^1.1.10 || ^2 || ^3 || ^4 || ^5 || ^6"
   },
   "devDependencies": {
-    "@babel/core": "^7.5.0",
-    "@babel/preset-env": "^7.5.0",
-    "@jupyter-widgets/base-manager": "^1.0.2",
-    "@jupyterlab/builder": "^3.0.0",
-    "@lumino/application": "^1.6.0",
-    "@lumino/widgets": "^1.6.0",
-    "@types/jest": "^26.0.0",
-    "@types/webpack-env": "^1.13.6",
-    "@typescript-eslint/eslint-plugin": "^3.6.0",
-    "@typescript-eslint/parser": "^3.6.0",
-    "acorn": "^7.2.0",
-    "css-loader": "^3.2.0",
-    "eslint": "^7.4.0",
-    "eslint-config-prettier": "^6.11.0",
-    "eslint-plugin-prettier": "^3.1.4",
-    "fs-extra": "^7.0.0",
+    "@babel/core": "^7.23.7",
+    "@babel/preset-env": "^7.23.8",
+    "@jupyter-widgets/base-manager": "^1.0.7",
+    "@jupyterlab/builder": "^4.0.11",
+    "@lumino/application": "^2.3.0",
+    "@lumino/widgets": "^2.3.1",
+    "@types/jest": "^29.5.11",
+    "@types/webpack-env": "^1.18.4",
+    "@typescript-eslint/eslint-plugin": "^6.19.1",
+    "@typescript-eslint/parser": "^6.19.1",
+    "acorn": "^8.11.3",
+    "css-loader": "^6.9.1",
+    "eslint": "^8.56.0",
+    "eslint-config-prettier": "^9.1.0",
+    "eslint-plugin-prettier": "^5.1.3",
+    "fs-extra": "^11.2.0",
     "identity-obj-proxy": "^3.0.0",
-    "jest": "^26.0.0",
-    "mkdirp": "^0.5.1",
-    "npm-run-all": "^4.1.3",
-    "prettier": "^2.0.5",
-    "rimraf": "^2.6.2",
-    "source-map-loader": "^1.1.3",
-    "style-loader": "^1.0.0",
-    "ts-jest": "^26.0.0",
-    "ts-loader": "^8.0.0",
-    "typescript": "~4.1.3",
-    "webpack": "^5.61.0",
-    "webpack-cli": "^4.0.0"
+    "jest": "^29.7.0",
+    "mkdirp": "^3.0.1",
+    "npm-run-all": "^4.1.5",
+    "prettier": "^3.2.4",
+    "rimraf": "^5.0.5",
+    "source-map-loader": "^5.0.0",
+    "style-loader": "^3.3.4",
+    "ts-jest": "^29.1.2",
+    "ts-loader": "^9.5.1",
+    "typescript": "~5.3.3",
+    "webpack": "^5.90.0",
+    "webpack-cli": "^5.1.4"
+  },
+  "devDependenciesComments": {
+    "@jupyterlab/builder": "pinned to the latest JupyterLab 3.x release",
+    "@lumino/application": "pinned to the latest Lumino 1.x release",
+    "@lumino/widgets": "pinned to the latest Lumino 1.x release"
   },
   "jupyterlab": {
     "extension": "lib/plugin",
diff --git a/{{cookiecutter.github_project_name}}/pyproject.toml b/{{cookiecutter.github_project_name}}/pyproject.toml
index 906333c..c49191a 100644
--- a/{{cookiecutter.github_project_name}}/pyproject.toml
+++ b/{{cookiecutter.github_project_name}}/pyproject.toml
@@ -1,7 +1,8 @@
 [build-system]
 requires = [
-    "hatchling>=1.3.1",
-    "jupyterlab==3.*",
+    "hatchling>=1.21.1",
+    "jupyterlab>=4.0.0,<5",
+    "hatch-nodejs-version>=0.3.2",
 ]
 build-backend = "hatchling.build"
 
@@ -10,7 +11,7 @@ name = "{{ cookiecutter.python_package_name }}"
 description = "{{ cookiecutter.project_short_description }}"
 readme = "README.md"
 license = { file = "LICENSE.txt" }
-requires-python = ">=3.7"
+requires-python = ">=3.9"
 authors = [
     { name = "{{ cookiecutter.author_name }}", email = "{{ cookiecutter.author_email }}" },
 ]
@@ -30,9 +31,11 @@ classifiers = [
     "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
 ]
 dependencies = [
-    "ipywidgets>=7.0.0",
+    "ipywidgets>=8.0.0",
 ]
 version = "0.1.0.dev0"
 
@@ -57,6 +60,9 @@ test = [
 [project.urls]
 Homepage = "https://github.com/{{ cookiecutter.github_organization_name }}/{{ cookiecutter.github_project_name }}"
 
+[tool.hatch.metadata]
+allow-direct-references = true
+
 [tool.hatch.build]
 artifacts = [
     "{{ cookiecutter.python_package_name }}/nbextension/index.*",
@@ -66,8 +72,8 @@ artifacts = [
 
 [tool.hatch.build.targets.wheel.shared-data]
 "{{ cookiecutter.python_package_name }}/nbextension" = "share/jupyter/nbextensions/{{ cookiecutter.python_package_name }}"
-"{{ cookiecutter.python_package_name }}/labextension" = "share/jupyter/labextensions/{{ cookiecutter.python_package_name }}"
-"./install.json" = "share/jupyter/labextensions/{{ cookiecutter.python_package_name }}/install.json"
+"{{ cookiecutter.python_package_name }}/labextension" = "share/jupyter/labextensions/{{ cookiecutter.npm_package_name }}"
+"./install.json" = "share/jupyter/labextensions/{{ cookiecutter.npm_package_name }}/install.json"
 "./{{ cookiecutter.python_package_name }}.json" = "etc/jupyter/nbconfig/notebook.d/{{ cookiecutter.python_package_name }}.json"
 
 [tool.hatch.build.targets.sdist]
@@ -86,12 +92,13 @@ skip-if-exists = [
     "{{ cookiecutter.python_package_name }}/labextension/package.json",
 ]
 dependencies = [
-    "hatch-jupyter-builder>=0.5.0",
+    "hatch-jupyter-builder>=0.8.3",
 ]
 
 [tool.hatch.build.hooks.jupyter-builder.build-kwargs]
 path = "."
 build_cmd = "build:prod"
+npm = ["jlpm"]
 
 [tool.tbump]
 field = [