diff --git a/debian/control.in b/debian/control.in
index 15fdcb100da..fada102447a 100644
--- a/debian/control.in
+++ b/debian/control.in
@@ -57,6 +57,7 @@ Build-Depends:
  python3-pyqt5.qsci,
  python3-pyqt5.qtmultimedia,
  python3-pyqt5.qtpositioning,
+ python3-pyqt5.qtserialport,
  python3-pyqt5.qtsql,
  python3-pyqt5.qtsvg,
 #bullseye# python3-sip-dev, python3-sip,