diff --git a/roles/xmpp_server/tasks/main.yml b/roles/xmpp_server/tasks/main.yml
index 4272df47c4f2a6b759036c8583a2e3f6c2917f03..afcf4c400d2ec459ba4523d4a35ef208bbf53c3f 100644
--- a/roles/xmpp_server/tasks/main.yml
+++ b/roles/xmpp_server/tasks/main.yml
@@ -64,9 +64,11 @@
     repo: "deb http://packages.prosody.im/debian {{ ansible_distribution_release }} main"
     state: absent
 
-- name: Install Lua LDAP library
+- name: Install additional Prosody dependencies
   apt:
-    name: lua-ldap
+    name:
+      - lua-ldap
+      - prosody-modules
     state: present
   notify:
     - Restart Prosody