diff --git a/.github/workflows/pr-comment.yaml b/.github/workflows/pr-comment.yaml
index bb2eb03c..8a2bd3ce 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@v3
+        uses: actions/checkout@v4
         with:
           ref: md-outputs
           path: built
diff --git a/.github/workflows/pr-receive.yaml b/.github/workflows/pr-receive.yaml
index 371ef542..8e9a5514 100644
--- a/.github/workflows/pr-receive.yaml
+++ b/.github/workflows/pr-receive.yaml
@@ -58,10 +58,10 @@ jobs:
       MD: ${{ github.workspace }}/site/built
     steps:
       - name: "Check Out Main Branch"
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: "Check Out Staging Branch"
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: md-outputs
           path: ${{ env.MD }}
diff --git a/.github/workflows/sandpaper-main.yaml b/.github/workflows/sandpaper-main.yaml
index e17707ac..a4f8dc40 100644
--- a/.github/workflows/sandpaper-main.yaml
+++ b/.github/workflows/sandpaper-main.yaml
@@ -32,7 +32,7 @@ jobs:
     steps:
 
       - name: "Checkout Lesson"
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - 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 676d7424..08ea9c97 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@v3
+        uses: actions/checkout@v4
       - id: renv
         run: |
           if [[ -d renv ]]; then
@@ -76,7 +76,7 @@ jobs:
     steps:
 
       - name: "Checkout Lesson"
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: "Set up R"
         uses: r-lib/actions/setup-r@v2
diff --git a/.github/workflows/update-episodes.yml b/.github/workflows/update-episodes.yml
index ecf496f8..fe31dc92 100644
--- a/.github/workflows/update-episodes.yml
+++ b/.github/workflows/update-episodes.yml
@@ -10,7 +10,7 @@ jobs:
     generate-md-files:
         runs-on: ubuntu-latest
         steps:
-            - uses: actions/checkout@v3
+            - uses: actions/checkout@v4
               with:
                 ref: 'literate'
             - uses: julia-actions/setup-julia@latest
@@ -30,7 +30,7 @@ jobs:
         runs-on: ubuntu-latest
         needs: generate-md-files
         steps:
-            - uses: actions/checkout@v3
+            - uses: actions/checkout@v4
               with:
                 ref: 'main'
             - name: Download files
diff --git a/.github/workflows/update-workflows.yaml b/.github/workflows/update-workflows.yaml
index 288bcd13..a2d6fee1 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@v3
+        uses: actions/checkout@v4
 
       - name: Update Workflows
         id: update