diff --git a/.github/workflows/tox-tests.yml b/.github/workflows/tox-tests.yml
index 3bc211dc..8ee9366d 100644
--- a/.github/workflows/tox-tests.yml
+++ b/.github/workflows/tox-tests.yml
@@ -39,7 +39,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - name: Set up python 3.${{ matrix.python-ver }} with tox environment py3${{ matrix.python-ver }}-${{ matrix.tox-env }} on ${{ matrix.os }}
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: 3.${{ matrix.python-ver }}
     - name: Install base dependencies
@@ -75,7 +75,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - name: Set up python for astropy lts test
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: 3.11
     - name: Install base dependencies
@@ -93,16 +93,16 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - name: Set up python for coverage test
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
-        python-version: 3.9
+        python-version: 3.11
     - name: Install base dependencies
       run: |
         python -m pip install --upgrade pip
         python -m pip install tox
     - name: Test with tox
       run: |
-        tox -e py309-cov -- --remote-data
+        tox -e py311-cov -- --remote-data
 #    - name: Upload coverage results to codecov
 #      run: |
 #        curl -Os https://uploader.codecov.io/latest/linux/codecov
@@ -127,7 +127,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - name: Set up Python to build docs with sphinx
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: 3.12
     - name: Install base dependencies
@@ -147,7 +147,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - name: Python codestyle check
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: 3.12
     - name: Install base dependencies