diff --git a/doc/requirements.txt b/doc/requirements.txt
index acd8cd8..6020fc7 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -4,3 +4,5 @@ qrcode>=4.0
 pyserial
 sphinx-rtd-theme
 setuptools-scm
+appdirs
+localconfig