diff --git a/mkdocs.yml b/mkdocs.yml
index b735efb330..1c2ea2ecb8 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -493,7 +493,7 @@ plugins:
 
 extra:
   unit:
-    stable: 1.17.0
+    stable: 1.19.0
 
 extra_css:
   - stylesheets/extra.css