diff --git a/.github/workflows/pkgdown.yaml b/.github/workflows/pkgdown.yaml
index e901c323..25ae1f9d 100644
--- a/.github/workflows/pkgdown.yaml
+++ b/.github/workflows/pkgdown.yaml
@@ -10,11 +10,11 @@ jobs:
     env:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
-      - uses: r-lib/actions/setup-r@master
+      - uses: r-lib/actions/setup-r@v2
 
-      - uses: r-lib/actions/setup-pandoc@master
+      - uses: r-lib/actions/setup-pandoc@v2
 
       - name: Query dependencies
         run: |
@@ -24,7 +24,7 @@ jobs:
         shell: Rscript {0}
 
       - name: Cache R packages
-        uses: actions/cache@v1
+        uses: actions/cache@v3
         with:
           path: ${{ env.R_LIBS_USER }}
           key: ${{ runner.os }}-${{ hashFiles('.github/R-version') }}-1-${{ hashFiles('.github/depends.Rds') }}
diff --git a/_pkgdown.yml b/_pkgdown.yml
index 1404df57..81a5a088 100644
--- a/_pkgdown.yml
+++ b/_pkgdown.yml
@@ -1,3 +1,6 @@
+template:
+  bootstrap: 5
+
 navbar:
   title: poppr
   type: default