diff --git a/docker-compose.yml b/docker-compose.yml
index 37ef4b0..ed9831e 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -19,7 +19,7 @@ services:
       - matrix
 
   db:
-    image: docker.io/postgres:12.22-alpine@sha256:b74f3df5c8e168619b7cb2acbca5e85723cc2c684514bc78f86c29d3f7c10daa
+    image: docker.io/postgres:17.2-alpine@sha256:17143ad87797f511036cf8f50ada164aeb371f0d8068a172510549fb5d2cd65f
     restart: unless-stopped
     environment:
       - POSTGRES_USER=${DC_MATRIX_POSTGRES_USER:-synapse}