diff --git a/.github/workflows/PlantUML.yaml b/.github/workflows/PlantUML.yaml
index ff981353..5b256b93 100644
--- a/.github/workflows/PlantUML.yaml
+++ b/.github/workflows/PlantUML.yaml
@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Generate PUML diagrams
-        uses: uclahs-cds/tool-PlantUML-action@v1.0.0
+        uses: uclahs-cds/tool-PlantUML-action@v1.0.1
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           ghcr-username: ${{ github.actor }}
diff --git a/.github/workflows/PyPI.yaml b/.github/workflows/PyPI.yaml
index fd483fd6..97326b67 100644
--- a/.github/workflows/PyPI.yaml
+++ b/.github/workflows/PyPI.yaml
@@ -22,7 +22,7 @@ jobs:
         # sets the step outputs package_directory and package_name
         id: package_details
         run: ./.github/workflows/PyPI-scripts/extract-package-details-from-tag.sh
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
         with:
           python-version: "3.10"
 
@@ -36,7 +36,7 @@ jobs:
           python3 -m build
 
       - name: Store the distribution packages
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: python-package-distributions
           path: "${{ steps.package_details.outputs.package_directory }}/dist/"
@@ -55,7 +55,7 @@ jobs:
 
     steps:
       - name: Download all the dists
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: python-package-distributions
           path: dist/
@@ -78,7 +78,7 @@ jobs:
 
     steps:
       - name: Download all the dists
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: python-package-distributions
           path: dist/