diff --git a/docker-compose.yml b/docker-compose.yml
index 7187986..c7ccb83 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -20,7 +20,7 @@ services:
       - matrix
 
   db:
-    image: docker.io/postgres:12-alpine@sha256:1d58ba6289212caace7c3970cb3922a5b45fd2af5d1724fde280dab4a5c7a762
+    image: docker.io/postgres:12-alpine@sha256:ab3d275fff0d3848e46d7aa0e535eddca1f1d309a7af05af41e328c3986b51f7
     restart: unless-stopped
     environment:
       - POSTGRES_USER=${DC_MATRIX_POSTGRES_USER:-synapse}