diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 12349610..45fc4b4c 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -31,7 +31,7 @@ jobs:
         uses: extractions/setup-just@v2
 
       - name: Build docs
-        run: just build
+        run: just build --strict
 
       - name: Deploy preview to Netlify
         uses: nwtgck/actions-netlify@v2
diff --git a/Justfile b/Justfile
index fb0d8dbb..c4dc2648 100644
--- a/Justfile
+++ b/Justfile
@@ -14,7 +14,7 @@ _run +cmd:
   docker run -q --pull=always --rm -v $(pwd):/docs -p 8000:8000 {{image}} {{cmd}}
 
 # Build docs site (unversioned)
-build: (_run "mkdocs build")
+build *opts: (_run "mkdocs build" opts)
 
 # Clean generated docs site
 clean:
diff --git a/mkdocs.yml b/mkdocs.yml
index d509f9d1..38bdf292 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -133,6 +133,12 @@ markdown_extensions:
       emoji_index: !!python/name:material.extensions.emoji.twemoji
       emoji_generator: !!python/name:material.extensions.emoji.to_svg
 
+validation:
+  omitted_files: warn
+  absolute_links: warn
+  unrecognized_links: warn
+  anchors: warn
+
 watch:
   - includes
   - overrides