diff --git a/roles/synapse/tasks/update.yml b/roles/synapse/tasks/update.yml
index d722781..5933275 100644
--- a/roles/synapse/tasks/update.yml
+++ b/roles/synapse/tasks/update.yml
@@ -42,7 +42,7 @@
     state: directory
     owner: "{{ users['synapse_postgres'] + uid_shift }}"
     group: "{{ users['synapse_postgres'] + uid_shift }}"
-    mode: '770'
+    mode: '700'
   become: true
 
 - name: Pull project services