diff --git a/.builds/archlinux.yml b/.builds/archlinux.yml
index 0f092e3..5381505 100644
--- a/.builds/archlinux.yml
+++ b/.builds/archlinux.yml
@@ -14,6 +14,7 @@ packages:
   - sway
   - jq
   - lsof
+  - python-pycryptodomex # needed by vncdotool
   - vncdotool
 
 sources: