diff --git a/deployer/group_vars/all/vars.yml b/deployer/group_vars/all/vars.yml
index e24437d..88b40c3 100644
--- a/deployer/group_vars/all/vars.yml
+++ b/deployer/group_vars/all/vars.yml
@@ -17,7 +17,7 @@ wordpress:
 gitea:
   version: 1.12.1
 synapse:
-  version: v1.20.0
+  version: v1.21.1
 drupal: 
   version: 8.8.5-apache
 nextcloud: