diff --git a/workshop/content/requirements.txt b/workshop/content/requirements.txt
index 824d89f..0d998ee 100644
--- a/workshop/content/requirements.txt
+++ b/workshop/content/requirements.txt
@@ -1,4 +1,4 @@
-mkdocs
+mkdocs<2.0.0
 mkdocs-material
 mkdocs-print-site-plugin
 mkdocs-static-i18n