diff --git a/mkdocs.yml b/mkdocs.yml
index 4a135fcc..272a00e5 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -53,3 +53,10 @@ markdown_extensions:
   - pymdownx.inlinehilite
   - pymdownx.snippets
   - pymdownx.superfences
+exclude_docs: |
+  # Keep only HTML files under `apps`
+  apps/**
+  !apps/**/*.html
+  # Keep only HTML files under `post-processing`
+  post-processing/**
+  !post-processing/**/*.html