diff --git a/requirements.txt b/requirements.txt
index 55da88c..4da2c06 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,3 @@
 -e git+https://www.funkthat.com/gitea/jmg/hyde.git@aa02fc981079e243a91242eb9e90eaa272f26b59#egg=hyde
 markdown==3.3.4
+lxml