diff --git a/dependencies.json b/dependencies.json
index a3b89d61..cfa7734c 100644
--- a/dependencies.json
+++ b/dependencies.json
@@ -9,7 +9,9 @@
             "mdpopups",
             "python-jinja2",
             "markupsafe",
-            "backrefs"
+            "backrefs",
+            "pymdownx",
+            "pyyaml"
         ]
     }
 }