diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c80e04d0..49b78e8e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -12,23 +12,18 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Base Setup
       uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
 
     - name: Install dependencies
-      run: python -m pip install -U "jupyterlab>=4.0.0,<5"
-
-    - name: Lint the extension
-      run: |
-        set -eux
-        jlpm
-        jlpm run lint:check
+      run: python -m pip install -U "jupyterlab>=4.2.0,<5"
 
     - name: Build the extension
       run: |
         set -eux
+        jlpm
         python -m pip install .[test]
 
         jupyter labextension list
@@ -44,7 +39,7 @@ jobs:
         pip uninstall -y "ipylab" jupyterlab
 
     - name: Upload extension packages
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: extension-artifacts
         path: dist/ipylab*
@@ -56,11 +51,11 @@ jobs:
 
     steps:
     - name: Install Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: '3.9'
         architecture: 'x64'
-    - uses: actions/download-artifact@v3
+    - uses: actions/download-artifact@v4
       with:
         name: extension-artifacts
     - name: Install and Test
@@ -83,6 +78,6 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 15
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
       - uses: jupyterlab/maintainer-tools/.github/actions/check-links@v1
diff --git a/.github/workflows/check-release.yml b/.github/workflows/check-release.yml
index 032d1425..d79b1ff5 100644
--- a/.github/workflows/check-release.yml
+++ b/.github/workflows/check-release.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Base Setup
         uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
       - name: Install Dependencies
@@ -23,7 +23,7 @@ jobs:
           token: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Upload Distributions
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: ipylab-releaser-dist-${{ github.run_number }}
           path: .jupyter_releaser_checkout/dist
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 2ea191e1..7af1e2ad 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -11,11 +11,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Base Setup
       uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
     - name: Install JupyterLab
-      run: python -m pip install 'jupyterlab >=3.1,<4'
+      run: python -m pip install 'jupyterlab >=4.2.0,<5'
     - name: Lint TypeScript
       run: |
         jlpm
@@ -25,7 +25,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Base Setup
       uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
     - name: Install black
diff --git a/.github/workflows/packaging.yml b/.github/workflows/packaging.yml
index aa7edf2c..ff77c788 100644
--- a/.github/workflows/packaging.yml
+++ b/.github/workflows/packaging.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Base Setup
       uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
     - name: Install dependencies
@@ -36,7 +36,7 @@ jobs:
         cd dist
         sha256sum * | tee SHA256SUMS
     - name: Upload distributions
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: dist ${{ github.run_number }}
         path: ./dist
@@ -48,11 +48,11 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu, macos, windows]
-        python: ['3.8', '3.11']
+        python: ['3.8', '3.12']
         include:
           - python: '3.8'
             dist: 'ipylab*.tar.gz'
-          - python: '3.11'
+          - python: '3.12'
             dist: 'ipylab*.whl'
           - os: windows
             py_cmd: python
@@ -66,11 +66,10 @@ jobs:
 
     steps:
       - name: Install Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python }}
-          architecture: 'x64'
-      - uses: actions/download-artifact@v2
+      - uses: actions/download-artifact@v4
         with:
           name: dist ${{ github.run_number }}
           path: ./dist
diff --git a/docs/environment.yml b/docs/environment.yml
index 0fdf9c6c..764ee453 100644
--- a/docs/environment.yml
+++ b/docs/environment.yml
@@ -2,8 +2,9 @@ name: ipylab-lite
 channels:
 - conda-forge
 dependencies:
-- build
+- python-build
 - python=3.11
+- pip
 - mamba
 - pydata-sphinx-theme
 - myst-parser
diff --git a/pyproject.toml b/pyproject.toml
index 612e13f9..7d24793f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -20,6 +20,7 @@ classifiers = [
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
 ]
 dependencies = [
     "ipywidgets>=7.6.0,<9"
diff --git a/yarn.lock b/yarn.lock
index 387ef553..33a3f627 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5751,11 +5751,11 @@ __metadata:
 
 "typescript@patch:typescript@~5.0.2#~builtin<compat/typescript>":
   version: 5.0.4
-  resolution: "typescript@patch:typescript@npm%3A5.0.4#~builtin<compat/typescript>::version=5.0.4&hash=b5f058"
+  resolution: "typescript@patch:typescript@npm%3A5.0.4#~builtin<compat/typescript>::version=5.0.4&hash=85af82"
   bin:
     tsc: bin/tsc
     tsserver: bin/tsserver
-  checksum: d26b6ba97b6d163c55dbdffd9bbb4c211667ebebc743accfeb2c8c0154aace7afd097b51165a72a5bad2cf65a4612259344ff60f8e642362aa1695c760d303ac
+  checksum: bb309d320c59a26565fb3793dba550576ab861018ff3fd1b7fccabbe46ae4a35546bc45f342c0a0b6f265c801ccdf64ffd68f548f117ceb7f0eac4b805cd52a9
   languageName: node
   linkType: hard