diff --git a/docker-compose.yaml b/docker-compose.yaml
index 47462b8..b1b641c 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -53,7 +53,7 @@ services:
 
   # PostgreSQL Database Service
   main_db:
-    image: postgres:18.3-alpine # Use an official Postgres image (Alpine variant is smaller)
+    image: postgres:18.4-alpine # Use an official Postgres image (Alpine variant is smaller)
     container_name: textsender_db # Optional: Give the container a specific name
     environment:
       # These MUST match the user, password, and database name in the DATABASE_URL above
@@ -77,7 +77,7 @@ services:
     restart: always # Optional: Restart policy
 
   auth_db:
-    image: postgres:18.3-alpine # Use an official Postgres image (Alpine variant is smaller)
+    image: postgres:18.4-alpine # Use an official Postgres image (Alpine variant is smaller)
     container_name: textsender_auth_db # Optional: Give the container a specific name
     environment:
       # These MUST match the user, password, and database name in the DATABASE_URL above