diff --git a/requirements.txt b/requirements.txt
index 85af80b..b0c7be7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,4 +7,5 @@ mkdocs-awesome-pages-plugin
 mkdocs-page-pdf==0.1.0
 mkdocs-static-i18n==0.43
 markdown==3.3.6
+pyyaml
 pymdown-extensions
\ No newline at end of file