diff --git a/.github/workflows/CI-dev.yaml b/.github/workflows/CI-dev.yaml
index f803cde6..6a18adf5 100644
--- a/.github/workflows/CI-dev.yaml
+++ b/.github/workflows/CI-dev.yaml
@@ -16,7 +16,7 @@ on:
     # Scheduled tests once a week
     #   Scheduled workflows run on the latest commit on the default or base branch.
     #   (from https://help.github.com/en/actions/reference/events-that-trigger-workflows#scheduled-events-schedule)
-    - cron: "0 0 * * 0"
+    #    - cron: "0 0 * * 0"
 
 jobs:
   test:
@@ -25,10 +25,10 @@ jobs:
     strategy:
       matrix:
         os: [macOS-latest, ubuntu-latest]
-        python-version: [ 3.8, 3.9 ]
+        python-version: [ "3.11", "3.12" ]
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
 
     - name: Additional info about the build
       shell: bash
@@ -39,7 +39,7 @@ jobs:
 
 
     # More info on options: https://github.com/conda-incubator/setup-miniconda
-    - uses: conda-incubator/setup-miniconda@v2
+    - uses: conda-incubator/setup-miniconda@v3
       with:
         python-version: ${{ matrix.python-version }}
         environment-file: devtools/conda-envs/test_env.yaml
@@ -94,7 +94,7 @@ jobs:
 
     - name: CodeCov
       if: matrix.os == 'ubuntu-latest'
-      uses: codecov/codecov-action@v1
+      uses: codecov/codecov-action@v4
       with:
         file: ./coverage.xml
         flags: unittests
diff --git a/.github/workflows/Release.yaml b/.github/workflows/Release.yaml
index da87fadc..523d6e4a 100644
--- a/.github/workflows/Release.yaml
+++ b/.github/workflows/Release.yaml
@@ -8,13 +8,13 @@ on:
 
 jobs:
   release:
-    name: Lint ubuntu-latest Py3.9
+    name: Lint ubuntu-latest Py3.12
     # Run only for tagged releases publishing development or release candidates
     # only to test.pypi, otherwise to both it and the main pypi.
     if: github.event_name == 'release' && startsWith(github.ref, 'refs/tags')
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
 
     - name: Additional info about the build
       shell: bash
@@ -23,9 +23,9 @@ jobs:
         df -h
         ulimit -a
     # More info on options: https://github.com/conda-incubator/setup-miniconda
-    - uses: conda-incubator/setup-miniconda@v2
+    - uses: conda-incubator/setup-miniconda@v3
       with:
-        python-version: 3.9
+        python-version: "3.12"
         environment-file: devtools/conda-envs/test_env.yaml
         activate-environment: test
         auto-update-conda: false
@@ -51,7 +51,7 @@ jobs:
         pip install "chromedriver-binary<=$chrome_version_max"
         pytest -v --cov=seamm_dashboard seamm_dashboard/tests/
     - name: CodeCov
-      uses: codecov/codecov-action@v1
+      uses: codecov/codecov-action@v4
       with:
         file: ./coverage.xml
         flags: unittests
@@ -64,13 +64,13 @@ jobs:
         python -m build --sdist --wheel --outdir dist/
         ls -l dist/
     - name: Publish distribution 📦 to Test PyPI
-      uses: pypa/gh-action-pypi-publish@master
+      uses: pypa/gh-action-pypi-publish@v1
       with:
         password: ${{ secrets.test_pypi_password }}
         repository_url: https://test.pypi.org/legacy/
         skip_existing: true
     - name: Publish distribution 📦 to PyPI
       if: contains(github.ref, 'dev') == false && contains(github.ref, 'rc') == false
-      uses: pypa/gh-action-pypi-publish@master
+      uses: pypa/gh-action-pypi-publish@v1
       with:
         password: ${{ secrets.pypi_password }}