diff --git a/aws-cloudwatch-project/docker/docker-compose.yml b/aws-cloudwatch-project/docker/docker-compose.yml
index 72f7819a..0f76162e 100644
--- a/aws-cloudwatch-project/docker/docker-compose.yml
+++ b/aws-cloudwatch-project/docker/docker-compose.yml
@@ -2,7 +2,7 @@ version: '3.8'
 services:
 
   postgresqldb:
-    image: postgres:16.3-alpine
+    image: postgres:16.4-alpine
     environment:
       - POSTGRES_USER=appuser
       - POSTGRES_PASSWORD=secret
diff --git a/aws-kinesis-project/consumer/docker/docker-compose.yml b/aws-kinesis-project/consumer/docker/docker-compose.yml
index d32dba4f..08ce0e74 100644
--- a/aws-kinesis-project/consumer/docker/docker-compose.yml
+++ b/aws-kinesis-project/consumer/docker/docker-compose.yml
@@ -13,7 +13,7 @@ services:
       - "../.localstack/init-aws.sh:/etc/localstack/init/ready.d/init-aws.sh"  # ready hook
 
   postgresqldb:
-    image: postgres:16.3-alpine
+    image: postgres:16.4-alpine
     hostname: postgresqldb
     extra_hosts: [ 'host.docker.internal:host-gateway' ]
     environment:
diff --git a/aws-lambda-project/docker/docker-compose.yml b/aws-lambda-project/docker/docker-compose.yml
index 63cd6752..13b82cc9 100644
--- a/aws-lambda-project/docker/docker-compose.yml
+++ b/aws-lambda-project/docker/docker-compose.yml
@@ -2,7 +2,7 @@ version: '3.8'
 services:
 
   postgresqldb:
-    image: postgres:16.3-alpine
+    image: postgres:16.4-alpine
     environment:
       - POSTGRES_USER=appuser
       - POSTGRES_PASSWORD=secret
diff --git a/aws-parameterstore-project/docker/docker-compose.yml b/aws-parameterstore-project/docker/docker-compose.yml
index bb8fa9f4..da223d1e 100644
--- a/aws-parameterstore-project/docker/docker-compose.yml
+++ b/aws-parameterstore-project/docker/docker-compose.yml
@@ -2,7 +2,7 @@ version: '3.8'
 services:
 
   postgresqldb:
-    image: postgres:16.3-alpine
+    image: postgres:16.4-alpine
     environment:
       - POSTGRES_USER=appuser
       - POSTGRES_PASSWORD=secret
diff --git a/aws-s3-project/docker/docker-compose.yml b/aws-s3-project/docker/docker-compose.yml
index 949a1eb9..e033b9d1 100644
--- a/aws-s3-project/docker/docker-compose.yml
+++ b/aws-s3-project/docker/docker-compose.yml
@@ -2,7 +2,7 @@ version: '3.8'
 services:
 
   postgresqldb:
-    image: postgres:16.3-alpine
+    image: postgres:16.4-alpine
     environment:
       - POSTGRES_USER=appuser
       - POSTGRES_PASSWORD=secret
diff --git a/aws-secretmanager-project/docker/docker-compose.yml b/aws-secretmanager-project/docker/docker-compose.yml
index af389d9f..557a3cb9 100644
--- a/aws-secretmanager-project/docker/docker-compose.yml
+++ b/aws-secretmanager-project/docker/docker-compose.yml
@@ -2,7 +2,7 @@ version: '3.8'
 services:
 
   postgresqldb:
-    image: postgres:16.3-alpine
+    image: postgres:16.4-alpine
     environment:
       - POSTGRES_USER=appuser
       - POSTGRES_PASSWORD=secret
diff --git a/aws-sqs-project/docker/docker-compose.yml b/aws-sqs-project/docker/docker-compose.yml
index 9f1a9c64..693c321d 100644
--- a/aws-sqs-project/docker/docker-compose.yml
+++ b/aws-sqs-project/docker/docker-compose.yml
@@ -2,7 +2,7 @@ version: '3.8'
 services:
 
   postgresqldb:
-    image: postgres:16.3-alpine
+    image: postgres:16.4-alpine
     environment:
       - POSTGRES_USER=appuser
       - POSTGRES_PASSWORD=secret