diff --git a/debian/control b/debian/control
index eeffc91..5d77e2c 100644
--- a/debian/control
+++ b/debian/control
@@ -23,6 +23,7 @@ Build-Depends:
  python3-all-dev,
  asciidoc-base <!nodoc>,
  xsltproc,
+ docbook-xml,
  docbook-xsl,
 Homepage: https://www.ipfire.org/location/
 Vcs-Git: https://salsa.debian.org/debian/libloc.git