diff --git a/.github/workflows/fix-figure-paths.yaml b/.github/workflows/fix-figure-paths.yaml
index 1d85ff3..59a7cc4 100644
--- a/.github/workflows/fix-figure-paths.yaml
+++ b/.github/workflows/fix-figure-paths.yaml
@@ -15,7 +15,7 @@ jobs:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           # 0 indicates all history for all branches and tags, 1 is shallow (and default)
           fetch-depth: 1
diff --git a/.github/workflows/render-lecture-slide-status.yaml b/.github/workflows/render-lecture-slide-status.yaml
index 02e6d3a..693ff73 100644
--- a/.github/workflows/render-lecture-slide-status.yaml
+++ b/.github/workflows/render-lecture-slide-status.yaml
@@ -27,7 +27,7 @@ jobs:
       # Clone lecture checker repo in the current directory
       # We need lecture repo to be a sub directory of this for reasons (can optimize this once stable + working)
       - name: Checkout lecture service repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: slds-lmu/lecture_service
 
@@ -41,7 +41,7 @@ jobs:
         shell: bash
 
       - name: Checkout this lecture repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           # Clone lecture repo in subdirectory of the same name
           path: ${{ steps.repo-basename.outputs.value }}
diff --git a/.github/workflows/update-latex-math.yaml b/.github/workflows/update-latex-math.yaml
index 91726fd..46b9d8f 100644
--- a/.github/workflows/update-latex-math.yaml
+++ b/.github/workflows/update-latex-math.yaml
@@ -15,7 +15,7 @@ jobs:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           # 0 indicates all history for all branches and tags, 1 is shallow (and default)
           fetch-depth: 1