diff --git a/etc/services/synapse/compose.yml b/etc/services/synapse/compose.yml
index 6202354..36722f2 100644
--- a/etc/services/synapse/compose.yml
+++ b/etc/services/synapse/compose.yml
@@ -1,6 +1,6 @@
 services:
   postgres:
-    image: docker.io/postgres:18.2-alpine
+    image: docker.io/postgres:18.3-alpine
     user: ${UID}:${GID}
     restart: unless-stopped
     environment: