diff --git a/synapse/docker-compose.yml b/synapse/docker-compose.yml
index d2f409f..a27a7c4 100644
--- a/synapse/docker-compose.yml
+++ b/synapse/docker-compose.yml
@@ -57,7 +57,7 @@ services:
       POSTGRES_USER: ${MAUTRIX_WHATSAPP_POSTGRES_USER}
       POSTGRES_PASSWORD: ${MAUTRIX_WHATSAPP_POSTGRES_PASSWORD}
   mas:
-    image: ghcr.io/element-hq/matrix-authentication-service:0.20.0
+    image: ghcr.io/element-hq/matrix-authentication-service:1.0.0
     restart: unless-stopped
     working_dir: /config
     volumes: