diff --git a/roles/matrix-base/tasks/server_base/setup_debian.yml b/roles/matrix-base/tasks/server_base/setup_debian.yml
index 88ea1c1d..b71d31ec 100644
--- a/roles/matrix-base/tasks/server_base/setup_debian.yml
+++ b/roles/matrix-base/tasks/server_base/setup_debian.yml
@@ -5,6 +5,7 @@
     name:
       - apt-transport-https
       - ca-certificates
+      - gpg
     state: present
     update_cache: yes