diff --git a/kafka-reactor/boot-kafka-reactor-consumer/docker/docker-compose.yml b/kafka-reactor/boot-kafka-reactor-consumer/docker/docker-compose.yml
index ae4c6861..a4c059c0 100644
--- a/kafka-reactor/boot-kafka-reactor-consumer/docker/docker-compose.yml
+++ b/kafka-reactor/boot-kafka-reactor-consumer/docker/docker-compose.yml
@@ -38,7 +38,7 @@ services:
       - broker
 
   postgresqldb:
-    image: postgres:16.3-alpine
+    image: postgres:16.4-alpine
     environment:
       - POSTGRES_USER=appuser
       - POSTGRES_PASSWORD=secret
diff --git a/spring-modulith-outbox-pattern/docker/docker-compose.yml b/spring-modulith-outbox-pattern/docker/docker-compose.yml
index 915082a9..cb16f7bb 100644
--- a/spring-modulith-outbox-pattern/docker/docker-compose.yml
+++ b/spring-modulith-outbox-pattern/docker/docker-compose.yml
@@ -2,7 +2,7 @@ version: '3.8'
 services:
 
   postgresql:
-    image: postgres:16.3-alpine
+    image: postgres:16.4-alpine
     environment:
       - POSTGRES_USER=appuser
       - POSTGRES_PASSWORD=secret