diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index 6c71eb9..19e0a5f 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -67,7 +67,7 @@ jobs:
       _R_CHECK_LENGTH_COLON_: true
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: r-lib/actions/setup-pandoc@v2
 
diff --git a/.github/workflows/pkgdown.yaml b/.github/workflows/pkgdown.yaml
index 2e694ac..8f5e60a 100644
--- a/.github/workflows/pkgdown.yaml
+++ b/.github/workflows/pkgdown.yaml
@@ -54,7 +54,7 @@ jobs:
     env:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: r-lib/actions/setup-pandoc@v2
 
@@ -78,7 +78,7 @@ jobs:
 
       - name: Deploy to GitHub pages 🚀
         if: github.event_name != 'merge_group' && github.event_name != 'pull_request'
-        uses: JamesIves/github-pages-deploy-action@4.1.4
+        uses: JamesIves/github-pages-deploy-action@4.5.0
         with:
           # We clean on releases because we want to remove old vignettes,
           # figures, etc. that have been deleted from the `main` branch.
diff --git a/.github/workflows/render_readme.yml b/.github/workflows/render_readme.yml
index a3f536e..10f5eaa 100644
--- a/.github/workflows/render_readme.yml
+++ b/.github/workflows/render_readme.yml
@@ -49,7 +49,7 @@ jobs:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
     steps:
       - name: Checkout repos
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup R
         uses: r-lib/actions/setup-r@v2
diff --git a/.github/workflows/test-coverage.yaml b/.github/workflows/test-coverage.yaml
index 8e0c450..8230b25 100644
--- a/.github/workflows/test-coverage.yaml
+++ b/.github/workflows/test-coverage.yaml
@@ -39,7 +39,7 @@ jobs:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: r-lib/actions/setup-r@v2
         with:
diff --git a/.github/workflows/update-citation-cff.yaml b/.github/workflows/update-citation-cff.yaml
index 9926f8d..02544f7 100644
--- a/.github/workflows/update-citation-cff.yaml
+++ b/.github/workflows/update-citation-cff.yaml
@@ -30,7 +30,7 @@ jobs:
     env:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: r-lib/actions/setup-r@v2
       - uses: r-lib/actions/setup-r-dependencies@v2
         with: