diff --git a/tasks/ubuntu2004.yml b/tasks/ubuntu2004.yml
index fa1681f96d5ae43276f82fc0308682854393bcc2..d80bde78d5d5336f97bdae1aeb8194579015b8a4 100644
--- a/tasks/ubuntu2004.yml
+++ b/tasks/ubuntu2004.yml
@@ -11,6 +11,8 @@
   apt:
     state: latest
     pkg:
+      - lsb # needed to launch workbench, not included in installation guide
+      - alien # needed to launch workbench, not included in installation guide
       - libasound2
       - libatk-bridge2.0-0
       - libatk1.0-0