diff --git a/changes/2400-daviskirk.md b/changes/2400-daviskirk.md
new file mode 100644
index 0000000000..278cb5abec
--- /dev/null
+++ b/changes/2400-daviskirk.md
@@ -0,0 +1 @@
+Update docs extensions to fix local syntax highlighting
diff --git a/mkdocs.yml b/mkdocs.yml
index 13d2ef3e1b..a0550e3637 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -51,16 +51,13 @@ nav:
 - changelog.md
 
 markdown_extensions:
-- markdown.extensions.codehilite:
-    guess_lang: false
 - markdown_include.include:
     base_path: docs
 - toc:
     permalink: 🔗
 - admonition
-- codehilite
-- extra
-- attr_list
+- pymdownx.highlight
+- pymdownx.extra
 
 plugins:
 - search