diff --git a/defaults/main.yml b/defaults/main.yml
index 11ca615..8f4646f 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -54,6 +54,7 @@ etherpad_nodejs_version: '21'
 etherpad_apt:
   - curl
   - nodejs
+  - npm
   - git
 
 etherpad_plugins_list: