diff --git a/mkdocs.yml b/mkdocs.yml
index 1d43daf2..47942ad3 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -7,6 +7,7 @@ theme:
 extra_css:
   - stylesheets/extra.css
 markdown_extensions:
+  - footnotes
   - admonition
   - tables
   - pymdownx.details
@@ -36,4 +37,4 @@ nav:
   - 'release-notes.md'
   - 'Developers':
     - 'developers/dev-env-setup.md'
-    - 'developers/package-deploy.md'
\ No newline at end of file
+    - 'developers/package-deploy.md'