diff --git a/.github/workflows/R-CMD-check-latest.yaml b/.github/workflows/R-CMD-check-latest.yaml
index 6271800..5c63236 100644
--- a/.github/workflows/R-CMD-check-latest.yaml
+++ b/.github/workflows/R-CMD-check-latest.yaml
@@ -33,7 +33,7 @@ jobs:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: r-lib/actions/setup-pandoc@v2
 
diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index 1e7953b..d13b70b 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -27,7 +27,7 @@ jobs:
       R_KEEP_PKG_SOURCE: yes
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: r-lib/actions/setup-pandoc@v2
 
diff --git a/.github/workflows/site-deploy.yaml b/.github/workflows/site-deploy.yaml
index 8a749c9..dec385c 100644
--- a/.github/workflows/site-deploy.yaml
+++ b/.github/workflows/site-deploy.yaml
@@ -12,7 +12,7 @@ jobs:
     env:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: r-lib/actions/setup-pandoc@v2
 
diff --git a/.github/workflows/site-devel.yaml b/.github/workflows/site-devel.yaml
index 8df634a..5df9a8e 100644
--- a/.github/workflows/site-devel.yaml
+++ b/.github/workflows/site-devel.yaml
@@ -12,7 +12,7 @@ jobs:
     env:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: r-lib/actions/setup-pandoc@v2
 
@@ -31,7 +31,7 @@ jobs:
           Rscript -e 'options(rmarkdown.html_vignette.check_title = FALSE); pkgdown::build_site()'
 
       - name: Upload pkgdown-site as artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: pkgdown-site
           path: docs