diff --git a/.github/workflows/zola-pages.yml b/.github/workflows/zola-pages.yml
index 216a646..ddba655 100644
--- a/.github/workflows/zola-pages.yml
+++ b/.github/workflows/zola-pages.yml
@@ -23,7 +23,7 @@ jobs:
       - name: Build Zola + upload Pages artifact
         uses: getzola/github-pages@066755243e69f508fd1a74739fbf1a65f656c790
         with:
-          zola_version: v0.22.0
+          zola_version: v0.21.0
 
   deploy:
     runs-on: ubuntu-latest
diff --git a/config.toml b/config.toml
index b587cdf..9c23f5e 100644
--- a/config.toml
+++ b/config.toml
@@ -32,7 +32,7 @@ taxonomies = [
 [markdown]
 # Whether to do syntax highlighting
 # Theme can be customised by setting the `highlight_theme` variable to a theme supported by Zola
-highlighting = true
+highlight_code = true
 render_emoji = true
 bottom_footnotes = true
 github_alerts = true