diff --git a/CHANGELOG.md b/CHANGELOG.md
index 49e5a504..e8ab17bf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,12 @@
 <!-- markdownlint-disable single-title -->
 # v2.0.0 (Unreleased)
 
+# v2.0.0-beta.56 (2024-09-11)
+
+ENHANCEMENTS
+
+* Adds support for IAM role chaining ([#1170](https://github.com/hashicorp/aws-sdk-go-base/pull/1170))
+
 # v2.0.0-beta.55 (2024-08-27)
 
 BUG FIXES
diff --git a/v2/awsv1shim/go.mod b/v2/awsv1shim/go.mod
index 56c19840..5fc3a00f 100644
--- a/v2/awsv1shim/go.mod
+++ b/v2/awsv1shim/go.mod
@@ -12,7 +12,7 @@ require (
 	github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.16.13
 	github.com/aws/aws-sdk-go-v2/service/sts v1.30.7
 	github.com/google/go-cmp v0.6.0
-	github.com/hashicorp/aws-sdk-go-base/v2 v2.0.0-beta.55
+	github.com/hashicorp/aws-sdk-go-base/v2 v2.0.0-beta.56
 	github.com/hashicorp/go-cleanhttp v0.5.2
 	github.com/hashicorp/terraform-plugin-log v0.9.0
 	go.opentelemetry.io/contrib/instrumentation/github.com/aws/aws-sdk-go-v2/otelaws v0.54.0