diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..f10a5bc
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,8 @@
+version: 2
+updates:
+  # Set update schedule for GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      # Check for updates to GitHub Actions every weekday
+      interval: "weekly"
diff --git a/.github/workflows/check-release.yml b/.github/workflows/check-release.yml
index d728457..0553321 100644
--- a/.github/workflows/check-release.yml
+++ b/.github/workflows/check-release.yml
@@ -11,10 +11,6 @@ concurrency:
 jobs:
   check_release:
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        group: [check_release, link_check]
-      fail-fast: false
     steps:
       - name: Checkout
         uses: actions/checkout@v2
@@ -24,10 +20,6 @@ jobs:
         run: |
           pip install -e .
       - name: Check Release
-        if: ${{ matrix.group == 'check_release' }}
-        uses: jupyter-server/jupyter_releaser/.github/actions/check-release@v1
+        uses: jupyter-server/jupyter_releaser/.github/actions/check-release@v2
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
-      - name: Run Link Check
-        if: ${{ matrix.group == 'link_check' }}
-        uses: jupyter-server/jupyter_releaser/.github/actions/check-links@v1
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index f885e6c..a70a4a7 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -67,16 +67,8 @@ jobs:
     timeout-minutes: 20
     steps:
       - uses: actions/checkout@v2
-      - name: Base Setup
-        uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
-      - name: Build SDist
-        run: |
-          pip install build
-          python -m build --sdist
-      - uses: actions/upload-artifact@v2
-        with:
-          name: "sdist"
-          path: dist/*.tar.gz
+      - uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
+      - uses: jupyterlab/maintainer-tools/.github/actions/make-sdist@v1
 
   test_sdist:
     runs-on: ubuntu-latest
@@ -84,19 +76,14 @@ jobs:
     name: Install from SDist and Test
     timeout-minutes: 20
     steps:
-      - name: Base Setup
-        uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
-      - name: Download sdist
-        uses: actions/download-artifact@v2
-      - name: Install From SDist
-        run: |
-          set -ex
-          cd sdist
-          mkdir test
-          tar --strip-components=1 -zxvf *.tar.gz -C ./test
-          cd test
-          make install
-      - name: Run Test
-        run: |
-          cd sdist/test
-          make test
+      - uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
+      - uses: jupyterlab/maintainer-tools/.github/actions/test-sdist@v1
+
+  link_check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
+      - uses: jupyterlab/maintainer-tools/.github/actions/check-links@v1
+        with:
+          ignore_links: "http://some/file/from/* http://path/to/some/*"
diff --git a/Makefile b/Makefile
index 238c278..f1709cf 100644
--- a/Makefile
+++ b/Makefile
@@ -17,15 +17,7 @@ clean:
 
 test: clean
 	ipcluster start -n=3 &
-	python -m pytest || python -m pytest --lf
-	ipcluster stop
-	python metakernel_python/test_metakernel_python.py
-	make clean
-
-test_warn: clean
-	ipcluster start -n=3 &
-	export PYTHONWARNINGS="all"
-	python -m pytest || python -m pytest --lf
+	python -m pytest -W default || python -m pytest -W default --lf
 	ipcluster stop
 	python metakernel_python/test_metakernel_python.py
 	make clean
diff --git a/conftest.py b/conftest.py
new file mode 100644
index 0000000..19b54d1
--- /dev/null
+++ b/conftest.py
@@ -0,0 +1,2 @@
+import os
+os.environ['JUPYTER_PLATFORM_DIRS'] = '1'
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
index a42a036..eebc876 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -46,12 +46,6 @@ exclude = [
   "examples",
 ]
 
-[tool.jupyter-releaser]
-skip = ["check-links"]
-
-[tool.jupyter-releaser.options]
-ignore-links = ["http://some/file/from/*", "http://path/to/some/*"]
-
 [tool.tbump.version]
 current = "0.29.2"
 regex = '''
@@ -68,21 +62,13 @@ src = "metakernel/__init__.py"
 
 [tool.pytest.ini_options]
 addopts= "-raXs  --durations 10 --color=yes --doctest-modules"
-norecursedirs = [
-  "images",
-  "metakernel_python",
-  "metakernel_echo",
-  "docs"
-]
+testpaths = ["metakernel/tests"]
 timeout = 300
 # Restore this setting to debug failures
 # timeout_method = "thread"
 filterwarnings= [
   # Fail on warnings
   "error",
-  "ignore:the imp module is deprecated:DeprecationWarning:ipykernel",
-  "ignore:The distutils package is deprecated:DeprecationWarning:ipykernel",
-  "ignore:distutils Version classes:DeprecationWarning:ipyparallel",
   "ignore:unclosed event loop:ResourceWarning",
   "ignore:There is no current event loop:DeprecationWarning"
 ]