diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 91abb11..ed2fb08 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -1,11 +1,17 @@
-# To get started with Dependabot version updates, you'll need to specify which
-# package ecosystems to update and where the package manifests are located.
 # Please see the documentation for all configuration options:
 # https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
 
 version: 2
 updates:
-  - package-ecosystem: "pip" # See documentation for possible values
+  - package-ecosystem: "pip"
     directory: "/" # Location of package manifests
     schedule:
       interval: "weekly"
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    groups:
+      actions:
+        patterns:
+          - "*"
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 666f30e..8567b0f 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -11,6 +11,9 @@ on:
 defaults:
   run:
     shell: bash -l {0}
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 
 jobs:
   run:
@@ -21,7 +24,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.13t"]
 
     steps:
     - name: Checkout
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 351ef2a..9b2fc27 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -1,3 +1,4 @@
+name: "Publish Wheel"
 on:
   push:
     tags:
diff --git a/pyproject.toml b/pyproject.toml
index c437a96..9f5713d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,20 +11,20 @@ authors = [
 classifiers = [
     "Development Status :: 5 - Production/Stable",
     "Framework :: IPython",
-    "Framework :: Jupyter",
-    "Framework :: Jupyter :: JupyterLab",
     "Framework :: Jupyter :: JupyterLab :: 3",
     "Framework :: Jupyter :: JupyterLab :: 4",
+    "Framework :: Jupyter :: JupyterLab",
+    "Framework :: Jupyter",
     "Intended Audience :: Developers",
     "Intended Audience :: Science/Research",
-    "License :: OSI Approved :: BSD License",
-    "Programming Language :: Python",
-    "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.9",
+    "License-Expression: BSD-3-Clause",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python",
     "Topic :: Multimedia :: Graphics",
 ]
 dependencies = ["traitlets"]
@@ -64,7 +64,11 @@ log_cli_level = "info"
 addopts = [
     "--nbval",
     "--ignore=tests/notebooks/.ipynb_checkpoints/*",
+    "--strict-config",
+    "-ra",
+    "--strict-markers",
 ]
+filterwarnings = ["error"]
 testpaths = [
     "tests",
 ]