diff --git a/docker-compose.yaml b/docker-compose.yaml
index af4a186..2e74420 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -46,7 +46,7 @@ services: # define services
 
   db: # postgres DB
     hostname: ns_assembly_db # assign a hostname for easier connection
-    image: postgres:18.4-alpine3.23 # use the latest Postgres Alpine image
+    image: postgres:18.6-alpine3.23 # use the latest Postgres Alpine image
     shm_size: 128mb # define a memory limit
     restart: always # restart if errors occur
     environment: # pass location of secrets to the container, and define non-secret configuration info