diff --git a/.github/workflows/ci_deprecate.yml b/.github/workflows/ci_deprecate.yml
index 321117412..121a04918 100644
--- a/.github/workflows/ci_deprecate.yml
+++ b/.github/workflows/ci_deprecate.yml
@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Find notebook path
         id: find_path
diff --git a/.github/workflows/ci_execute_merge_generate.yml b/.github/workflows/ci_execute_merge_generate.yml
index ee0451744..07b455ec8 100644
--- a/.github/workflows/ci_execute_merge_generate.yml
+++ b/.github/workflows/ci_execute_merge_generate.yml
@@ -4,6 +4,6 @@ on:
 
 jobs:
   GenerateHTML:
-   uses: spacetelescope/notebook-ci-actions/.github/workflows/ci_build_merge_manual.yml@v3
+   uses: spacetelescope/notebook-ci-actions/.github/workflows/ci_build_merge_manual.yml@v4
    with:
       python-version: ${{ vars.PYTHON_VERSION }}
diff --git a/.github/workflows/ci_html_build.yml b/.github/workflows/ci_html_build.yml
index d45a2a10f..64412cbc5 100644
--- a/.github/workflows/ci_html_build.yml
+++ b/.github/workflows/ci_html_build.yml
@@ -16,7 +16,7 @@ jobs:
     outputs:
       matrix: ${{ steps.set-matrix.outputs.matrix }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0 
           ref: ${{ github.event.pull_request.head.sha }}
@@ -38,10 +38,10 @@ jobs:
         notebook: ${{fromJson(needs.prepare_matrix.outputs.matrix)}}
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Setup Python
-        uses: actions/setup-python@v3
+        uses: actions/setup-python@v5
         with:
           python-version:  ${{ vars.PYTHON_VERSION }}
 
@@ -127,7 +127,7 @@ jobs:
         
         # Push the book's HTML to github-pages
     - name: GitHub Pages action
-      uses: peaceiris/actions-gh-pages@v3
+      uses: peaceiris/actions-gh-pages@v4
       with:
         github_token: ${{ secrets.GITHUB_TOKEN }}
         publish_dir: ./_build/html
diff --git a/.github/workflows/ci_manual_html_deploy.yml b/.github/workflows/ci_manual_html_deploy.yml
index 80ef642e9..baa462446 100644
--- a/.github/workflows/ci_manual_html_deploy.yml
+++ b/.github/workflows/ci_manual_html_deploy.yml
@@ -5,6 +5,6 @@ on:
 
 jobs:
   GenerateHTML:
-   uses: spacetelescope/notebook-ci-actions/.github/workflows/ci_builder_manual_jdat.yml@v3
+   uses: spacetelescope/notebook-ci-actions/.github/workflows/ci_builder_manual_jdat.yml@v4
    with:
       python-version: ${{ vars.PYTHON_VERSION }}
diff --git a/.github/workflows/ci_manual_single_merge_generate.yml b/.github/workflows/ci_manual_single_merge_generate.yml
index 7b578438c..469523290 100644
--- a/.github/workflows/ci_manual_single_merge_generate.yml
+++ b/.github/workflows/ci_manual_single_merge_generate.yml
@@ -9,7 +9,7 @@ on:
 
 jobs:
   GenerateHTML:
-   uses: spacetelescope/notebook-ci-actions/.github/workflows/ci_build_merge_manual_single.yml@v3
+   uses: spacetelescope/notebook-ci-actions/.github/workflows/ci_build_merge_manual_single.yml@v4
    with:
       python-version: ${{ vars.PYTHON_VERSION }}
       filename: ${{ github.event.inputs.filename }}
diff --git a/.github/workflows/ci_move_deprecated_notebooks.yml b/.github/workflows/ci_move_deprecated_notebooks.yml
index 6bbff1a00..bccbf9dc4 100644
--- a/.github/workflows/ci_move_deprecated_notebooks.yml
+++ b/.github/workflows/ci_move_deprecated_notebooks.yml
@@ -11,7 +11,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: gh-storage  # Start from the gh-storage branch
 
diff --git a/.github/workflows/ci_nightly.yml b/.github/workflows/ci_nightly.yml
index c780b6a89..515f740db 100644
--- a/.github/workflows/ci_nightly.yml
+++ b/.github/workflows/ci_nightly.yml
@@ -6,6 +6,6 @@ on:
 
 jobs:
   Scheduled:
-   uses: spacetelescope/notebook-ci-actions/.github/workflows/ci_scheduled.yml@v3
+   uses: spacetelescope/notebook-ci-actions/.github/workflows/ci_scheduled.yml@v4
    with:
       python-version: ${{ vars.PYTHON_VERSION }}
diff --git a/.github/workflows/ci_security_scan.yml b/.github/workflows/ci_security_scan.yml
index e162c07e5..0b552af62 100644
--- a/.github/workflows/ci_security_scan.yml
+++ b/.github/workflows/ci_security_scan.yml
@@ -7,4 +7,4 @@ on:
 
 jobs:
   Scheduled:
-   uses: spacetelescope/notebook-ci-actions/.github/workflows/ci_security_scan.yml@v3
+   uses: spacetelescope/notebook-ci-actions/.github/workflows/ci_security_scan.yml@v4
diff --git a/.github/workflows/pep8_nb_style_check.yml b/.github/workflows/pep8_nb_style_check.yml
index 4494e4d1a..6348de16c 100644
--- a/.github/workflows/pep8_nb_style_check.yml
+++ b/.github/workflows/pep8_nb_style_check.yml
@@ -11,6 +11,6 @@ on:
 
 jobs:
   Notebook_PEP8_Check:
-   uses: spacetelescope/notebook-ci-actions/.github/workflows/notebook_pep8check.yml@v3
+   uses: spacetelescope/notebook-ci-actions/.github/workflows/notebook_pep8check.yml@v4
    with:
      python-version: ${{ vars.PYTHON_VERSION || '3.11'}}
diff --git a/.github/workflows/pep8_script_style_check.yml b/.github/workflows/pep8_script_style_check.yml
index 89f6e4032..2dd90bd14 100644
--- a/.github/workflows/pep8_script_style_check.yml
+++ b/.github/workflows/pep8_script_style_check.yml
@@ -11,6 +11,6 @@ on:
 
 jobs:
   Script_PEP8_Check:
-   uses: spacetelescope/notebook-ci-actions/.github/workflows/script_pep8check.yml@v3
+   uses: spacetelescope/notebook-ci-actions/.github/workflows/script_pep8check.yml@v4
    with:
      python-version: ${{ vars.PYTHON_VERSION || '3.11' }}
diff --git a/.github/workflows/weekly_broken_link_finder.yml b/.github/workflows/weekly_broken_link_finder.yml
index 21b0a6e3b..f27d60c0f 100644
--- a/.github/workflows/weekly_broken_link_finder.yml
+++ b/.github/workflows/weekly_broken_link_finder.yml
@@ -5,6 +5,6 @@ on:
 
 jobs:
   Scheduled:
-   uses: spacetelescope/notebook-ci-actions/.github/workflows/broken_link_checker.yml@v3
+   uses: spacetelescope/notebook-ci-actions/.github/workflows/broken_link_checker.yml@v4
    with:
      website_url: "https://spacetelescope.github.io/jdat_notebooks/"
diff --git a/.github/workflows/weekly_html_accessibility_check.yml b/.github/workflows/weekly_html_accessibility_check.yml
index 4805311e4..3011c9583 100644
--- a/.github/workflows/weekly_html_accessibility_check.yml
+++ b/.github/workflows/weekly_html_accessibility_check.yml
@@ -17,7 +17,7 @@ on:
 
 jobs:
   Scheduled:
-   uses: spacetelescope/notebook-ci-actions/.github/workflows/html_accessibility_check.yml@v3
+   uses: spacetelescope/notebook-ci-actions/.github/workflows/html_accessibility_check.yml@v4
    with:
      target_url: https://spacetelescope.github.io/${{ github.event.repository.name }}/
      python-version: ${{ vars.PYTHON_VERSION }}