diff --git a/synapse/docker-compose.yml b/synapse/docker-compose.yml
index de9bf37..9faabc8 100644
--- a/synapse/docker-compose.yml
+++ b/synapse/docker-compose.yml
@@ -1,6 +1,6 @@
 services:
   element-call-auth-service:
-    image: ghcr.io/element-hq/lk-jwt-service:0.3.0
+    image: ghcr.io/element-hq/lk-jwt-service:0.4.0
     container_name: element-call-jwt
     hostname: auth-server
     environment: