diff --git a/arch/PKGBUILD b/arch/PKGBUILD
index 423b1b2..16970b8 100644
--- a/arch/PKGBUILD
+++ b/arch/PKGBUILD
@@ -8,6 +8,7 @@ arch=('any')
 url="https://github.com/Binary-Kitchen/${pkgname}"
 license=(GPL)
 depends=('python3'
+	 'python-pyserial'
          'python-ldap'
 	 'python-pip'
 	 'alsa-utils'