diff --git a/aws/sqs/integration/src/test/scala/com/commercetools/queue/sqs/SqsClientSuite.scala b/aws/sqs/integration/src/test/scala/com/commercetools/queue/sqs/SqsClientSuite.scala
index d90a9c1..4509140 100644
--- a/aws/sqs/integration/src/test/scala/com/commercetools/queue/sqs/SqsClientSuite.scala
+++ b/aws/sqs/integration/src/test/scala/com/commercetools/queue/sqs/SqsClientSuite.scala
@@ -21,7 +21,7 @@ import cats.syntax.all._
 import com.commercetools.queue.QueueClient
 import com.commercetools.queue.aws.sqs.SQSClient
 import com.commercetools.queue.testkit.QueueClientSuite
-import software.amazon.awssdk.auth.credentials.{AnonymousCredentialsProvider, AwsBasicCredentials, StaticCredentialsProvider}
+import software.amazon.awssdk.auth.credentials.{AnonymousCredentialsProvider, AwsSessionCredentials, StaticCredentialsProvider}
 import software.amazon.awssdk.regions.Region
 
 import java.net.URI
@@ -40,9 +40,12 @@ class SqsClientSuite extends QueueClientSuite {
           .asScala
           .find(_.id == awsRegion)
           .liftTo[IO](new IllegalArgumentException(s"Cannot find any suitable AWS region from $awsRegion value!"))
-        credentials <- (string("AWS_SQS_ACCESS_KEY"), string("AWS_SQS_ACCESS_SECRET")).mapN((accessKey, accessSecret) =>
+        accessKey <- string("AWS_SQS_ACCESS_KEY")
+        accessSecret <- string("AWS_SQS_ACCESS_SECRET")
+        sessionToken <- string("AWS_SQS_SESSION_TOKEN")
+        credentials <- IO.pure(
           StaticCredentialsProvider.create(
-            AwsBasicCredentials.create(accessKey, accessSecret)
+            AwsSessionCredentials.create(accessKey, accessSecret, sessionToken)
           ))
       } yield (region, credentials, None)
     )
diff --git a/testkit/src/main/scala/com/commercetools/queue/testkit/QueueClientSuite.scala b/testkit/src/main/scala/com/commercetools/queue/testkit/QueueClientSuite.scala
index 01298c3..9be3629 100644
--- a/testkit/src/main/scala/com/commercetools/queue/testkit/QueueClientSuite.scala
+++ b/testkit/src/main/scala/com/commercetools/queue/testkit/QueueClientSuite.scala
@@ -34,7 +34,7 @@ abstract class QueueClientSuite
   val messagesStatsSupported: Boolean = true
   val inFlightMessagesStatsSupported: Boolean = true
   val delayedMessagesStatsSupported: Boolean = true
-  val waitingTime: FiniteDuration = 10.seconds
+  val waitingTime: FiniteDuration = 20.seconds
 
   final val originalMessageTTL: FiniteDuration = 10.minutes
   final val originalLockTTL: FiniteDuration = 2.minutes
diff --git a/testkit/src/main/scala/com/commercetools/queue/testkit/QueueSubscriberSuite.scala b/testkit/src/main/scala/com/commercetools/queue/testkit/QueueSubscriberSuite.scala
index 2a6a1ef..687e953 100644
--- a/testkit/src/main/scala/com/commercetools/queue/testkit/QueueSubscriberSuite.scala
+++ b/testkit/src/main/scala/com/commercetools/queue/testkit/QueueSubscriberSuite.scala
@@ -155,9 +155,11 @@ trait QueueSubscriberSuite extends CatsEffectSuite { self: QueueClientSuite =>
           .through(client.publish(queueName).sink(batchSize = totalMessages))
           .compile
           .drain
+        _ <- IO.sleep(3.seconds)
         msgBatch <- puller.pullMessageBatch(totalMessages, waitingTime)
         _ = assertEquals(msgBatch.messages.size, totalMessages)
         _ <- msgBatch.nackAll
+        _ <- IO.sleep(3.seconds)
         msgBatchNack <- puller.pullMessageBatch(totalMessages, waitingTime)
         _ = assertEquals(msgBatchNack.messages.size, totalMessages)
         _ <- msgBatchNack.ackAll