diff --git a/.github/workflows/pr-close-signal.yaml b/.github/workflows/pr-close-signal.yaml
index b1303c261..61a047726 100644
--- a/.github/workflows/pr-close-signal.yaml
+++ b/.github/workflows/pr-close-signal.yaml
@@ -16,7 +16,7 @@ jobs:
           mkdir -p ./pr
           printf ${{ github.event.number }} > ./pr/NUM
       - name: Upload Diff
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: pr
           path: ./pr
diff --git a/.github/workflows/pr-comment.yaml b/.github/workflows/pr-comment.yaml
index f80d9d0c0..809673c6e 100644
--- a/.github/workflows/pr-comment.yaml
+++ b/.github/workflows/pr-comment.yaml
@@ -82,7 +82,7 @@ jobs:
       contents: write
     steps:
       - name: 'Checkout md outputs'
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           ref: md-outputs
           path: built
diff --git a/.github/workflows/pr-receive.yaml b/.github/workflows/pr-receive.yaml
index 7fbff6cdd..c70be9f34 100644
--- a/.github/workflows/pr-receive.yaml
+++ b/.github/workflows/pr-receive.yaml
@@ -25,7 +25,7 @@ jobs:
       - name: "Upload PR number"
         id: upload
         if: ${{ always() }}
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: pr
           path: ${{ github.workspace }}/NR
@@ -58,10 +58,10 @@ jobs:
       MD: ${{ github.workspace }}/site/built
     steps:
       - name: "Check Out Main Branch"
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: "Check Out Staging Branch"
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           ref: md-outputs
           path: ${{ env.MD }}
@@ -107,21 +107,21 @@ jobs:
         shell: Rscript {0}
 
       - name: "Upload PR"
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: pr
           path: ${{ env.PR }}
           overwrite: true
 
       - name: "Upload Diff"
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: diff
           path: ${{ env.CHIVE }}
           retention-days: 1
 
       - name: "Upload Build"
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: built
           path: ${{ env.MD }}
diff --git a/.github/workflows/sandpaper-main.yaml b/.github/workflows/sandpaper-main.yaml
index b3d1de8c8..0839234ae 100644
--- a/.github/workflows/sandpaper-main.yaml
+++ b/.github/workflows/sandpaper-main.yaml
@@ -35,7 +35,7 @@ jobs:
     steps:
 
       - name: "Checkout Lesson"
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: "Set up R"
         uses: r-lib/actions/setup-r@v2
diff --git a/.github/workflows/update-cache.yaml b/.github/workflows/update-cache.yaml
index a011c0c06..9160eb927 100644
--- a/.github/workflows/update-cache.yaml
+++ b/.github/workflows/update-cache.yaml
@@ -43,7 +43,7 @@ jobs:
       needed: ${{ steps.renv.outputs.exists }}
     steps:
       - name: "Checkout Lesson"
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - id: renv
         run: |
           if [[ -d renv ]]; then
@@ -76,7 +76,7 @@ jobs:
     steps:
 
       - name: "Checkout Lesson"
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: "Set up R"
         uses: r-lib/actions/setup-r@v2
diff --git a/.github/workflows/update-workflows.yaml b/.github/workflows/update-workflows.yaml
index 6414cf287..0b4407f39 100644
--- a/.github/workflows/update-workflows.yaml
+++ b/.github/workflows/update-workflows.yaml
@@ -36,7 +36,7 @@ jobs:
     if: ${{ needs.check_token.outputs.workflow == 'true' }}
     steps:
       - name: "Checkout Repository"
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Update Workflows
         id: update
diff --git a/episodes/23-continuous-integration-automated-testing.md b/episodes/23-continuous-integration-automated-testing.md
index 19a84d04e..d831b4073 100644
--- a/episodes/23-continuous-integration-automated-testing.md
+++ b/episodes/23-continuous-integration-automated-testing.md
@@ -190,10 +190,10 @@ jobs:
     # Next we need to checkout out repository, and set up Python
     # A 'name' is just an optional label shown in the log - helpful to clarify progress - and can be anything
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: Set up Python 3.11
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: "3.11"
 
@@ -372,10 +372,10 @@ jobs:
     steps:
 
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         # Here we add the reference to the python-version matrix values
         python-version: ${{ matrix.python-version }}