diff --git a/applications/stream-applications-integration-tests/pom.xml b/applications/stream-applications-integration-tests/pom.xml
index 1243a8fd..75b8d7b5 100644
--- a/applications/stream-applications-integration-tests/pom.xml
+++ b/applications/stream-applications-integration-tests/pom.xml
@@ -18,7 +18,6 @@
 	<properties>
 		<mariadb-client.version>2.6.2</mariadb-client.version>
 		<wiremock.version>2.27.1</wiremock.version>
-		<aws.version>1.12.261</aws.version>
 		<mysql-connector-java.version>8.0.28</mysql-connector-java.version>
 	</properties>
 
@@ -31,36 +30,30 @@
 		<dependency>
 			<groupId>org.testcontainers</groupId>
 			<artifactId>testcontainers</artifactId>
-			<version>${testcontainers.version}</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.testcontainers</groupId>
 			<artifactId>junit-jupiter</artifactId>
-			<version>${testcontainers.version}</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.testcontainers</groupId>
 			<artifactId>kafka</artifactId>
-			<version>${testcontainers.version}</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.testcontainers</groupId>
 			<artifactId>rabbitmq</artifactId>
-			<version>${testcontainers.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>org.testcontainers</groupId>
 			<artifactId>mongodb</artifactId>
-			<version>${testcontainers.version}</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.testcontainers</groupId>
 			<artifactId>mysql</artifactId>
-			<version>${testcontainers.version}</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
@@ -81,10 +74,8 @@
 			<scope>test</scope>
 		</dependency>
 		<dependency>
-			<groupId>com.amazonaws</groupId>
-			<artifactId>aws-java-sdk-s3</artifactId>
-			<version>${aws.version}</version>
-			<scope>test</scope>
+			<groupId>org.springframework.cloud.fn</groupId>
+			<artifactId>s3-supplier</artifactId>
 		</dependency>
 		<dependency>
 			<groupId>com.squareup.okhttp3</groupId>
diff --git a/applications/stream-applications-integration-tests/src/test/java/org/springframework/cloud/stream/app/integration/test/source/s3/S3SourceTests.java b/applications/stream-applications-integration-tests/src/test/java/org/springframework/cloud/stream/app/integration/test/source/s3/S3SourceTests.java
index 243e7888..3a43b840 100644
--- a/applications/stream-applications-integration-tests/src/test/java/org/springframework/cloud/stream/app/integration/test/source/s3/S3SourceTests.java
+++ b/applications/stream-applications-integration-tests/src/test/java/org/springframework/cloud/stream/app/integration/test/source/s3/S3SourceTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020-2020 the original author or authors.
+ * Copyright 2020-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,19 +16,11 @@
 
 package org.springframework.cloud.stream.app.integration.test.source.s3;
 
+import java.net.URI;
 import java.time.Duration;
 import java.util.Map;
 import java.util.function.Consumer;
 
-import com.amazonaws.ClientConfiguration;
-import com.amazonaws.auth.AWSCredentials;
-import com.amazonaws.auth.AWSStaticCredentialsProvider;
-import com.amazonaws.auth.BasicAWSCredentials;
-import com.amazonaws.client.builder.AwsClientBuilder;
-import com.amazonaws.regions.Regions;
-import com.amazonaws.services.s3.AmazonS3;
-import com.amazonaws.services.s3.AmazonS3ClientBuilder;
-import com.amazonaws.services.s3.model.PutObjectRequest;
 import com.github.dockerjava.api.command.CreateContainerCmd;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeAll;
@@ -42,6 +34,12 @@ import org.testcontainers.containers.GenericContainer;
 import org.testcontainers.containers.wait.strategy.Wait;
 import org.testcontainers.junit.jupiter.Container;
 import org.testcontainers.utility.DockerImageName;
+import software.amazon.awssdk.auth.credentials.AwsBasicCredentials;
+import software.amazon.awssdk.auth.credentials.AwsCredentials;
+import software.amazon.awssdk.auth.credentials.StaticCredentialsProvider;
+import software.amazon.awssdk.regions.Region;
+import software.amazon.awssdk.services.s3.S3Client;
+import software.amazon.awssdk.services.s3.model.NoSuchBucketException;
 
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.cloud.stream.app.test.integration.OutputMatcher;
@@ -53,11 +51,15 @@ import static org.springframework.cloud.stream.app.integration.test.common.Confi
 import static org.springframework.cloud.stream.app.test.integration.AppLog.appLog;
 import static org.springframework.cloud.stream.app.test.integration.FluentMap.fluentMap;
 import static org.springframework.cloud.stream.app.test.integration.StreamAppContainerTestUtils.resourceAsFile;
+
 @Tag("integration")
 @ExtendWith(BaseContainerExtension.class)
 abstract class S3SourceTests {
 	private static final Logger logger = LoggerFactory.getLogger(S3SourceTests.class);
-	private static AmazonS3 s3Client;
+
+	private static S3Client s3Client;
+
+	private static String minioAddress;
 
 	private StreamAppContainer source;
 
@@ -67,31 +69,29 @@ abstract class S3SourceTests {
 	@Container
 	private static final GenericContainer minio = new GenericContainer(
 			DockerImageName.parse("minio/minio:latest"))
-				.withExposedPorts(9000)
-				.withNetworkAliases("minio-host")
-				.withEnv("MINIO_ACCESS_KEY", "minio")
-				.withEnv("MINIO_SECRET_KEY", "minio123")
-				.waitingFor(Wait.forHttp("/minio/health/live"))
-				.withCreateContainerCmdModifier(
-						(Consumer<CreateContainerCmd>) createContainerCmd -> createContainerCmd
-								.withHostName("minio"))
-				.withLogConsumer(appLog("minio"))
-				.withCommand("minio", "server", "/data")
-				.withStartupTimeout(Duration.ofSeconds(120))
-				.withStartupAttempts(3);
+			.withExposedPorts(9000)
+			.withNetworkAliases("minio-host")
+			.withEnv("MINIO_ACCESS_KEY", "minio")
+			.withEnv("MINIO_SECRET_KEY", "minio123")
+			.waitingFor(Wait.forHttp("/minio/health/live"))
+			.withCreateContainerCmdModifier(
+					(Consumer<CreateContainerCmd>) createContainerCmd -> createContainerCmd
+							.withHostName("minio"))
+			.withLogConsumer(appLog("minio"))
+			.withCommand("minio", "server", "/data")
+			.withStartupTimeout(Duration.ofSeconds(120))
+			.withStartupAttempts(3);
 
 	@BeforeAll
 	static void initS3() {
-		AWSCredentials credentials = new BasicAWSCredentials("minio", "minio123");
-		ClientConfiguration clientConfiguration = new ClientConfiguration();
-		String minioAddress = "http://" + minio.getHost() + ":" + minio.getMappedPort(9000);
+		minioAddress = "http://" + minio.getHost() + ":" + minio.getMappedPort(9000);
+		AwsCredentials credentials = AwsBasicCredentials.create("minio", "minio123");
 		logger.info("minio:address={}", minioAddress);
-		s3Client = AmazonS3ClientBuilder
-				.standard()
-				.withEndpointConfiguration(new AwsClientBuilder.EndpointConfiguration(minioAddress, Regions.US_EAST_1.name()))
-				.withPathStyleAccessEnabled(true)
-				.withClientConfiguration(clientConfiguration)
-				.withCredentials(new AWSStaticCredentialsProvider(credentials))
+		s3Client = S3Client.builder()
+				.endpointOverride(URI.create(minioAddress))
+				.region(Region.US_EAST_1)
+				.forcePathStyle(true)
+				.credentialsProvider(StaticCredentialsProvider.create(credentials))
 				.build();
 
 	}
@@ -99,22 +99,21 @@ abstract class S3SourceTests {
 	@BeforeEach
 	void configureSource() {
 		source = BaseContainerExtension.containerInstance()
-				.withEnv("S3_COMMON_ENDPOINT_URL", "http://minio-host:" + minio.getMappedPort(9000))
-				.withEnv("S3_COMMON_PATH_STYLE_ACCESS", "true")
-				.withEnv("CLOUD_AWS_STACK_AUTO", "false")
-				.withEnv("CLOUD_AWS_CREDENTIALS_ACCESS_KEY", "minio")
-				.withEnv("CLOUD_AWS_CREDENTIALS_SECRET_KEY", "minio123")
+				.withEnv("SPRING_CLOUD_AWS_S3_ENDPOINT", minioAddress)
+				.withEnv("SPRING_CLOUD_AWS_S3_PATH_STYLE_ACCESS_ENABLED", "true")
+				.withEnv("SPRING_CLOUD_AWS_CREDENTIALS_ACCESS_KEY", "minio")
+				.withEnv("SPRING_CLOUD_AWS_CREDENTIALS_SECRET_KEY", "minio123")
 				.withEnv("LOGGING_LEVEL_ORG_SPRINGFRAMEWORK_INTEGRATION", "DEBUG")
-				.withEnv("CLOUD_AWS_REGION_STATIC", "us-east-1").log();
-		s3Client.createBucket("bucket");
+				.withEnv("SPRING_CLOUD_AWS_REGION_STATIC", Region.US_EAST_1.id())
+				.log();
+
+		s3Client.createBucket(r -> r.bucket("bucket"));
 	}
 
 	@Test
 	void testLines() {
-		startContainer(
-				fluentMap().withEntry("FILE_CONSUMER_MODE", "lines"));
-		s3Client.putObject(new PutObjectRequest("bucket", "test",
-				resourceAsFile("minio/data")));
+		startContainer(fluentMap().withEntry("FILE_CONSUMER_MODE", "lines"));
+		s3Client.putObject(r -> r.bucket("bucket").key("test"), resourceAsFile("minio/data").toPath());
 
 		await().atMost(DEFAULT_DURATION).until(outputMatcher.payloadMatches((String s) -> s.contains("Bart Simpson")));
 
@@ -129,8 +128,8 @@ abstract class S3SourceTests {
 				.withEntry("TASK_LAUNCH_REQUEST_TASK_NAME", "myTask")
 				.withEntry("FILE_CONSUMER_MODE", "ref"));
 
-		s3Client.putObject(new PutObjectRequest("bucket", "test",
-				resourceAsFile("minio/data")));
+		s3Client.putObject(r -> r.bucket("bucket").key("test"), resourceAsFile("minio/data").toPath());
+
 		await().atMost(DEFAULT_DURATION).until(outputMatcher.payloadMatches(s -> s.equals(
 				"{\"args\":[\"filename=/tmp/s3-supplier/test\"],\"deploymentProps\":{},\"name\":\"myTask\"}")));
 	}
@@ -142,8 +141,8 @@ abstract class S3SourceTests {
 						.withEntry("FILE_CONSUMER_MODE", "ref")
 						.withEntry("S3_SUPPLIER_LIST_ONLY", "true"));
 
-		s3Client.putObject(new PutObjectRequest("bucket", "test",
-				resourceAsFile("minio/data")));
+		s3Client.putObject(r -> r.bucket("bucket").key("test"), resourceAsFile("minio/data").toPath());
+
 		await().atMost(DEFAULT_DURATION)
 				.until(outputMatcher
 						.payloadMatches((String s) -> s.contains("\"bucketName\":\"bucket\",\"key\":\"test\"")));
@@ -157,10 +156,16 @@ abstract class S3SourceTests {
 
 	@AfterEach
 	void stop() {
-		if (s3Client.doesBucketExistV2("bucket")) {
-			s3Client.deleteObject("bucket", "test");
-			s3Client.deleteBucket("bucket");
+		try {
+			s3Client.headBucket(r -> r.bucket("bucket"));
+			// NoSuchBucketException - no deletion attempts
+			s3Client.deleteObject(r -> r.bucket("bucket").key("test"));
+			s3Client.deleteBucket(r -> r.bucket("bucket"));
 		}
+		catch (NoSuchBucketException exception) {
+			logger.warn("No bucket 'bucket' to remove");
+		}
+
 		source.stop();
 		outputMatcher.clearMessageMatchers();
 	}