diff --git a/src/main/scala/zio/s3/package.scala b/src/main/scala/zio/s3/package.scala
index 3fe63d52..6ffbed2d 100644
--- a/src/main/scala/zio/s3/package.scala
+++ b/src/main/scala/zio/s3/package.scala
@@ -22,7 +22,7 @@ import software.amazon.awssdk.services.s3.S3AsyncClient
 import software.amazon.awssdk.services.s3.model.S3Exception
 import zio.nio.file.{ Path => ZPath }
 import zio.s3.S3Bucket.S3BucketListing
-import zio.s3.providers.const
+import zio.s3.providers.{ basic, const }
 import zio.stream.ZStream
 
 import java.net.URI
@@ -32,7 +32,7 @@ package object s3 {
   type S3Stream[A] = ZStream[S3, S3Exception, A]
 
   def live(region: Region, credentials: AwsCredentials, uriEndpoint: Option[URI] = None): Layer[S3Exception, S3] =
-    liveZIO(region, const(credentials.accessKeyId, credentials.secretAccessKey), uriEndpoint)
+    liveZIO(region, const(credentials), uriEndpoint)
 
   def liveZIO[R](
     region: Region,
@@ -50,7 +50,7 @@ package object s3 {
 
   val live: ZLayer[S3Settings, ConnectionError, S3] = ZLayer.scoped(
     ZIO.serviceWithZIO[S3Settings](s =>
-      Live.connect(s.s3Region, const(s.credentials.accessKeyId, s.credentials.secretAccessKey), None)
+      Live.connect(s.s3Region, basic(s.credentials.accessKeyId, s.credentials.secretAccessKey), None)
     )
   )
 
diff --git a/src/main/scala/zio/s3/providers.scala b/src/main/scala/zio/s3/providers.scala
index 0cad41be..e07a83ce 100644
--- a/src/main/scala/zio/s3/providers.scala
+++ b/src/main/scala/zio/s3/providers.scala
@@ -5,8 +5,14 @@ import zio.{ IO, Scope, UIO, ZIO }
 
 object providers {
 
-  def const(accessKeyId: String, secretAccessKey: String): UIO[AwsCredentialsProvider] =
-    ZIO.succeedNow[AwsCredentialsProvider](() => AwsBasicCredentials.create(accessKeyId, secretAccessKey))
+  def const(credential: AwsCredentials): UIO[AwsCredentialsProvider] =
+    ZIO.succeedNow[AwsCredentialsProvider](() => credential)
+
+  def basic(accessKeyId: String, secretAccessKey: String): UIO[AwsCredentialsProvider] =
+    const(AwsBasicCredentials.create(accessKeyId, secretAccessKey))
+
+  def session(accessKeyId: String, secretAccessKey: String, sessionToken: String): UIO[AwsCredentialsProvider] =
+    const(AwsSessionCredentials.create(accessKeyId, secretAccessKey, sessionToken))
 
   val system: IO[InvalidCredentials, SystemPropertyCredentialsProvider] =
     ZIO
diff --git a/src/test/scala/zio/s3/S3ProvidersTest.scala b/src/test/scala/zio/s3/S3ProvidersTest.scala
index 9109cf4f..7aa92bcb 100644
--- a/src/test/scala/zio/s3/S3ProvidersTest.scala
+++ b/src/test/scala/zio/s3/S3ProvidersTest.scala
@@ -1,6 +1,6 @@
 package zio.s3
 
-import software.amazon.awssdk.auth.credentials.AwsBasicCredentials
+import software.amazon.awssdk.auth.credentials.{ AwsBasicCredentials, AwsSessionCredentials }
 import software.amazon.awssdk.regions.Region
 import zio.s3.providers._
 import zio.test.Assertion._
@@ -25,14 +25,19 @@ object S3ProvidersTest extends ZIOSpecDefault {
 
   def spec: Spec[TestEnvironment with Scope, Any] =
     suite("Providers")(
-      test("cred with const") {
+      test("basic credentials") {
         ZIO
-          .scoped(const("k", "v").map(_.resolveCredentials()))
+          .scoped(basic("k", "v").map(_.resolveCredentials()))
           .map(res => assertTrue(res == AwsBasicCredentials.create("k", "v")))
       },
-      test("cred with default fallback const") {
+      test("session credentials") {
         ZIO
-          .scoped((env <> const("k", "v")).map(_.resolveCredentials()))
+          .scoped(session("k", "v", "t").map(_.resolveCredentials()))
+          .map(res => assertTrue(res == AwsSessionCredentials.create("k", "v", "t")))
+      },
+      test("basic credentials default fallback const") {
+        ZIO
+          .scoped((env <> basic("k", "v")).map(_.resolveCredentials()))
           .map(res => assertTrue(res == AwsBasicCredentials.create("k", "v")))
       },
       test("cred in system properties") {