diff --git a/build.gradle b/build.gradle
index a8ef298..2642ab0 100644
--- a/build.gradle
+++ b/build.gradle
@@ -92,7 +92,7 @@ tasks.register("pullDatabaseImage", DockerPullImage) {
 	outputs.file(stateFile)
 		.withPropertyName("stateFile")
 
-	image = "docker.io/library/postgres:16.3"
+	image = "docker.io/library/postgres:16.4"
 
 	doLast {
 		Files.writeString(stateFile, getImage().get(), StandardOpenOption.CREATE,
diff --git a/docker-compose.yml b/docker-compose.yml
index 9bbb353..b82d8e2 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,7 +1,7 @@
 version: "3"
 services:
   db:
-    image: "postgres:16.3"
+    image: "postgres:16.4"
     environment:
       - POSTGRES_USER=demo
       - POSTGRES_PASSWORD=PzBYnzHRq8afwfBrmF3i6kQd
diff --git a/src/test/java/com/example/testing/AbstractPostgresJupiterTest.java b/src/test/java/com/example/testing/AbstractPostgresJupiterTest.java
index 8803748..4748e27 100644
--- a/src/test/java/com/example/testing/AbstractPostgresJupiterTest.java
+++ b/src/test/java/com/example/testing/AbstractPostgresJupiterTest.java
@@ -14,7 +14,7 @@
  * documentation</a> for details about singleton containers.
  */
 public class AbstractPostgresJupiterTest implements ApplicationContextInitializer<ConfigurableApplicationContext> {
-	static final PostgreSQLContainer postgres = new PostgreSQLContainer("postgres:16.3");
+	static final PostgreSQLContainer postgres = new PostgreSQLContainer("postgres:16.4");
 
 	static {
 		postgres.start();