diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0301ccaf52..f687539237 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # CHANGELOG
 
-## next release
+## 3.307.1 - 2024-05-17
 
 * `Aws\ElasticLoadBalancingv2` - This release adds dualstack-without-public-ipv4 IP address type for ALB.
 * `Aws\ApplicationAutoScaling` - add v2 smoke tests and smithy smokeTests trait for SDK testing.
diff --git a/src/Sdk.php b/src/Sdk.php
index f922e0453f..e419bb4229 100644
--- a/src/Sdk.php
+++ b/src/Sdk.php
@@ -767,7 +767,7 @@
  */
 class Sdk
 {
-    const VERSION = '3.307.0';
+    const VERSION = '3.307.1';
 
     /** @var array Arguments for creating clients */
     private $args;