diff --git a/tests/src/org.flywaydb/flyway-database-postgresql/10.10.0/required-docker-images.txt b/tests/src/org.flywaydb/flyway-database-postgresql/10.10.0/required-docker-images.txt
index d44d138ec..9d1e81245 100644
--- a/tests/src/org.flywaydb/flyway-database-postgresql/10.10.0/required-docker-images.txt
+++ b/tests/src/org.flywaydb/flyway-database-postgresql/10.10.0/required-docker-images.txt
@@ -1 +1 @@
-postgres:16-alpine
\ No newline at end of file
+postgres:18-alpine
diff --git a/tests/src/org.flywaydb/flyway-database-postgresql/10.10.0/src/test/java/flyway/database/postgresql/FlywayDatabasePostgresqlTests.java b/tests/src/org.flywaydb/flyway-database-postgresql/10.10.0/src/test/java/flyway/database/postgresql/FlywayDatabasePostgresqlTests.java
index 3d803158e..14f3d73a4 100644
--- a/tests/src/org.flywaydb/flyway-database-postgresql/10.10.0/src/test/java/flyway/database/postgresql/FlywayDatabasePostgresqlTests.java
+++ b/tests/src/org.flywaydb/flyway-database-postgresql/10.10.0/src/test/java/flyway/database/postgresql/FlywayDatabasePostgresqlTests.java
@@ -42,7 +42,7 @@ static void beforeAll() throws IOException {
         System.out.println("Starting PostgreSQL ...");
         process = new ProcessBuilder(
                 "docker", "run", "--rm", "-p", "5432:5432", "-e", "POSTGRES_DB=" + DATABASE, "-e", "POSTGRES_USER=" + USERNAME,
-                "-e", "POSTGRES_PASSWORD=" + PASSWORD, "postgres:16-alpine").redirectOutput(new File("postgres-stdout.txt"))
+                "-e", "POSTGRES_PASSWORD=" + PASSWORD, "postgres:18-alpine").redirectOutput(new File("postgres-stdout.txt"))
                 .redirectError(new File("postgres-stderr.txt")).start();
 
         // Wait until connection can be established
diff --git a/tests/src/org.postgresql/postgresql/42.3.4/required-docker-images.txt b/tests/src/org.postgresql/postgresql/42.3.4/required-docker-images.txt
index d44d138ec..9d1e81245 100644
--- a/tests/src/org.postgresql/postgresql/42.3.4/required-docker-images.txt
+++ b/tests/src/org.postgresql/postgresql/42.3.4/required-docker-images.txt
@@ -1 +1 @@
-postgres:16-alpine
\ No newline at end of file
+postgres:18-alpine
diff --git a/tests/src/org.postgresql/postgresql/42.3.4/src/test/java/postgresql/PostgresqlTests.java b/tests/src/org.postgresql/postgresql/42.3.4/src/test/java/postgresql/PostgresqlTests.java
index fad34f5fd..2b8f5faa6 100644
--- a/tests/src/org.postgresql/postgresql/42.3.4/src/test/java/postgresql/PostgresqlTests.java
+++ b/tests/src/org.postgresql/postgresql/42.3.4/src/test/java/postgresql/PostgresqlTests.java
@@ -60,7 +60,7 @@ static void beforeAll() throws IOException {
         System.out.println("Starting PostgreSQL ...");
         process = new ProcessBuilder(
                 "docker", "run", "--rm", "-p", "5432:5432", "-e", "POSTGRES_DB=" + DATABASE, "-e", "POSTGRES_USER=" + USERNAME,
-                "-e", "POSTGRES_PASSWORD=" + PASSWORD, "postgres:16-alpine").redirectOutput(new File("postgres-stdout.txt"))
+                "-e", "POSTGRES_PASSWORD=" + PASSWORD, "postgres:18-alpine").redirectOutput(new File("postgres-stdout.txt"))
                 .redirectError(new File("postgres-stderr.txt")).start();
 
         // Wait until connection can be established
diff --git a/tests/src/org.postgresql/postgresql/42.7.3/required-docker-images.txt b/tests/src/org.postgresql/postgresql/42.7.3/required-docker-images.txt
index d44d138ec..9d1e81245 100644
--- a/tests/src/org.postgresql/postgresql/42.7.3/required-docker-images.txt
+++ b/tests/src/org.postgresql/postgresql/42.7.3/required-docker-images.txt
@@ -1 +1 @@
-postgres:16-alpine
\ No newline at end of file
+postgres:18-alpine
diff --git a/tests/src/org.postgresql/postgresql/42.7.3/src/test/java/postgresql/PostgresqlTests.java b/tests/src/org.postgresql/postgresql/42.7.3/src/test/java/postgresql/PostgresqlTests.java
index fad34f5fd..2b8f5faa6 100644
--- a/tests/src/org.postgresql/postgresql/42.7.3/src/test/java/postgresql/PostgresqlTests.java
+++ b/tests/src/org.postgresql/postgresql/42.7.3/src/test/java/postgresql/PostgresqlTests.java
@@ -60,7 +60,7 @@ static void beforeAll() throws IOException {
         System.out.println("Starting PostgreSQL ...");
         process = new ProcessBuilder(
                 "docker", "run", "--rm", "-p", "5432:5432", "-e", "POSTGRES_DB=" + DATABASE, "-e", "POSTGRES_USER=" + USERNAME,
-                "-e", "POSTGRES_PASSWORD=" + PASSWORD, "postgres:16-alpine").redirectOutput(new File("postgres-stdout.txt"))
+                "-e", "POSTGRES_PASSWORD=" + PASSWORD, "postgres:18-alpine").redirectOutput(new File("postgres-stdout.txt"))
                 .redirectError(new File("postgres-stderr.txt")).start();
 
         // Wait until connection can be established
diff --git a/tests/tck-build-logic/src/main/resources/allowed-docker-images/Dockerfile-postgres b/tests/tck-build-logic/src/main/resources/allowed-docker-images/Dockerfile-postgres
index e9abea8d2..7dd6435f7 100644
--- a/tests/tck-build-logic/src/main/resources/allowed-docker-images/Dockerfile-postgres
+++ b/tests/tck-build-logic/src/main/resources/allowed-docker-images/Dockerfile-postgres
@@ -1 +1 @@
-FROM postgres:16-alpine
+FROM postgres:18-alpine