diff --git a/CHANGELOG.md b/CHANGELOG.md
index 39ffae99..bdbc7b43 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+# Release (2024-06-27)
+
+## Module Highlights
+* `github.com/aws/smithy-go`: v1.20.3
+  * **Bug Fix**: Fix encoding/cbor test overflow on x86.
+
 # Release (2024-03-29)
 
 * No change notes available for this release.
diff --git a/go_module_metadata.go b/go_module_metadata.go
index a6b22f35..f82b7672 100644
--- a/go_module_metadata.go
+++ b/go_module_metadata.go
@@ -3,4 +3,4 @@
 package smithy
 
 // goModuleVersion is the tagged release for this module
-const goModuleVersion = "1.20.2"
+const goModuleVersion = "1.20.3"