diff --git a/codegen/CHANGELOG.md b/codegen/CHANGELOG.md
index 33d57f5727d4..7b1e89bdb81b 100644
--- a/codegen/CHANGELOG.md
+++ b/codegen/CHANGELOG.md
@@ -1,14 +1,19 @@
 # Smithy AWS Typescript Codegen Changelog
 
+## 0.35.0 (2025-09-18)
+
+### Bug Fixes
+- Upgraded to smithy-typescript 0.35.0 ([Release Notes](https://github.com/smithy-lang/smithy-typescript/blob/main/CHANGELOG.md#0350-2025-09-18))
+
 ## 0.34.1 (2025-09-10)
 
 ### Bug Fixes
-- Upgraded to smithy-typescript 0.34.1 ([Release Notes](https://github.com/smithy-lang/smithy-typescript/blob/main/CHANGELOG.md#0330-2025-09-10))
+- Upgraded to smithy-typescript 0.34.1 ([Release Notes](https://github.com/smithy-lang/smithy-typescript/blob/main/CHANGELOG.md#0341-2025-09-10))
 
 ## 0.34.0 (2025-07-30)
 
 ### Features
-- Upgraded to smithy-typescript 0.34.0 ([Release Notes](https://github.com/smithy-lang/smithy-typescript/blob/main/CHANGELOG.md#0330-2025-07-30))
+- Upgraded to smithy-typescript 0.34.0 ([Release Notes](https://github.com/smithy-lang/smithy-typescript/blob/main/CHANGELOG.md#0340-2025-07-30))
 - Upgraded smithy version to 1.61.0 ([#7233](https://github.com/aws/aws-sdk-js-v3/pull/7233))
 
 ## 0.33.0 (2025-07-10)
diff --git a/codegen/build.gradle.kts b/codegen/build.gradle.kts
index f943ebeae9cf..143b8ae426a9 100644
--- a/codegen/build.gradle.kts
+++ b/codegen/build.gradle.kts
@@ -32,7 +32,7 @@ allprojects {
         mavenCentral()
     }
     group = "software.amazon.smithy.typescript"
-    version = "0.34.1"
+    version = "0.35.0"
 }
 
 // The root project doesn't produce a JAR.
diff --git a/codegen/smithy-aws-typescript-codegen/build.gradle.kts b/codegen/smithy-aws-typescript-codegen/build.gradle.kts
index ffa9c6e09c57..9d7688e3649d 100644
--- a/codegen/smithy-aws-typescript-codegen/build.gradle.kts
+++ b/codegen/smithy-aws-typescript-codegen/build.gradle.kts
@@ -36,7 +36,7 @@ buildscript {
 
 dependencies {
     // Smithy TypeScript
-    api("software.amazon.smithy.typescript:smithy-typescript-codegen:0.34.1")
+    api("software.amazon.smithy.typescript:smithy-typescript-codegen:0.35.0")
 
     // Smithy generic dependencies
     api("software.amazon.smithy:smithy-model:$smithyVersion")
diff --git a/scripts/generate-clients/config.js b/scripts/generate-clients/config.js
index dae3963c9f17..2509f9104ef5 100644
--- a/scripts/generate-clients/config.js
+++ b/scripts/generate-clients/config.js
@@ -1,7 +1,7 @@
 // Update this commit when taking up new changes from smithy-typescript.
 module.exports = {
   // Use full commit hash as we explicitly fetch it.
-  SMITHY_TS_COMMIT: "6a17b956d1ed1b27fe640b1c3f40b9c62632fcb8",
+  SMITHY_TS_COMMIT: "225743b3f94fd2310a2c881a1c63633402970578",
 };
 
 if (module.exports.SMITHY_TS_COMMIT.length < 40) {