diff --git a/private/aws-protocoltests-ec2-schema/vite.config.js b/private/aws-protocoltests-ec2-schema/vitest.config.mts
similarity index 100%
rename from private/aws-protocoltests-ec2-schema/vite.config.js
rename to private/aws-protocoltests-ec2-schema/vitest.config.mts
diff --git a/private/aws-protocoltests-ec2/vite.config.js b/private/aws-protocoltests-ec2/vitest.config.mts
similarity index 100%
rename from private/aws-protocoltests-ec2/vite.config.js
rename to private/aws-protocoltests-ec2/vitest.config.mts
diff --git a/private/aws-protocoltests-json-10-schema/vite.config.js b/private/aws-protocoltests-json-10-schema/vitest.config.mts
similarity index 100%
rename from private/aws-protocoltests-json-10-schema/vite.config.js
rename to private/aws-protocoltests-json-10-schema/vitest.config.mts
diff --git a/private/aws-protocoltests-json-10/vite.config.js b/private/aws-protocoltests-json-10/vitest.config.mts
similarity index 100%
rename from private/aws-protocoltests-json-10/vite.config.js
rename to private/aws-protocoltests-json-10/vitest.config.mts
diff --git a/private/aws-protocoltests-json-machinelearning/vite.config.js b/private/aws-protocoltests-json-machinelearning/vitest.config.mts
similarity index 100%
rename from private/aws-protocoltests-json-machinelearning/vite.config.js
rename to private/aws-protocoltests-json-machinelearning/vitest.config.mts
diff --git a/private/aws-protocoltests-json-schema-machinelearning/vite.config.js b/private/aws-protocoltests-json-schema-machinelearning/vitest.config.mts
similarity index 100%
rename from private/aws-protocoltests-json-schema-machinelearning/vite.config.js
rename to private/aws-protocoltests-json-schema-machinelearning/vitest.config.mts
diff --git a/private/aws-protocoltests-json-schema/vite.config.js b/private/aws-protocoltests-json-schema/vitest.config.mts
similarity index 100%
rename from private/aws-protocoltests-json-schema/vite.config.js
rename to private/aws-protocoltests-json-schema/vitest.config.mts
diff --git a/private/aws-protocoltests-json/vite.config.js b/private/aws-protocoltests-json/vitest.config.mts
similarity index 100%
rename from private/aws-protocoltests-json/vite.config.js
rename to private/aws-protocoltests-json/vitest.config.mts
diff --git a/private/aws-protocoltests-query-schema/vite.config.js b/private/aws-protocoltests-query-schema/vitest.config.mts
similarity index 100%
rename from private/aws-protocoltests-query-schema/vite.config.js
rename to private/aws-protocoltests-query-schema/vitest.config.mts
diff --git a/private/aws-protocoltests-query/vite.config.js b/private/aws-protocoltests-query/vitest.config.mts
similarity index 100%
rename from private/aws-protocoltests-query/vite.config.js
rename to private/aws-protocoltests-query/vitest.config.mts
diff --git a/private/aws-protocoltests-restjson-apigateway/vite.config.js b/private/aws-protocoltests-restjson-apigateway/vitest.config.mts
similarity index 100%
rename from private/aws-protocoltests-restjson-apigateway/vite.config.js
rename to private/aws-protocoltests-restjson-apigateway/vitest.config.mts
diff --git a/private/aws-protocoltests-restjson-glacier/vite.config.js b/private/aws-protocoltests-restjson-glacier/vitest.config.mts
similarity index 100%
rename from private/aws-protocoltests-restjson-glacier/vite.config.js
rename to private/aws-protocoltests-restjson-glacier/vitest.config.mts
diff --git a/private/aws-protocoltests-restjson-schema-apigateway/vite.config.js b/private/aws-protocoltests-restjson-schema-apigateway/vitest.config.mts
similarity index 100%
rename from private/aws-protocoltests-restjson-schema-apigateway/vite.config.js
rename to private/aws-protocoltests-restjson-schema-apigateway/vitest.config.mts
diff --git a/private/aws-protocoltests-restjson-schema-glacier/vite.config.js b/private/aws-protocoltests-restjson-schema-glacier/vitest.config.mts
similarity index 100%
rename from private/aws-protocoltests-restjson-schema-glacier/vite.config.js
rename to private/aws-protocoltests-restjson-schema-glacier/vitest.config.mts
diff --git a/private/aws-protocoltests-restjson-schema/vite.config.js b/private/aws-protocoltests-restjson-schema/vitest.config.mts
similarity index 100%
rename from private/aws-protocoltests-restjson-schema/vite.config.js
rename to private/aws-protocoltests-restjson-schema/vitest.config.mts
diff --git a/private/aws-protocoltests-restjson/vite.config.js b/private/aws-protocoltests-restjson/vitest.config.mts
similarity index 100%
rename from private/aws-protocoltests-restjson/vite.config.js
rename to private/aws-protocoltests-restjson/vitest.config.mts
diff --git a/private/aws-protocoltests-restxml-schema/vite.config.js b/private/aws-protocoltests-restxml-schema/vitest.config.mts
similarity index 100%
rename from private/aws-protocoltests-restxml-schema/vite.config.js
rename to private/aws-protocoltests-restxml-schema/vitest.config.mts
diff --git a/private/aws-protocoltests-restxml/vite.config.js b/private/aws-protocoltests-restxml/vitest.config.mts
similarity index 100%
rename from private/aws-protocoltests-restxml/vite.config.js
rename to private/aws-protocoltests-restxml/vitest.config.mts
diff --git a/private/aws-protocoltests-smithy-rpcv2-cbor-schema/vite.config.js b/private/aws-protocoltests-smithy-rpcv2-cbor-schema/vitest.config.mts
similarity index 100%
rename from private/aws-protocoltests-smithy-rpcv2-cbor-schema/vite.config.js
rename to private/aws-protocoltests-smithy-rpcv2-cbor-schema/vitest.config.mts
diff --git a/private/aws-protocoltests-smithy-rpcv2-cbor/vite.config.js b/private/aws-protocoltests-smithy-rpcv2-cbor/vitest.config.mts
similarity index 100%
rename from private/aws-protocoltests-smithy-rpcv2-cbor/vite.config.js
rename to private/aws-protocoltests-smithy-rpcv2-cbor/vitest.config.mts
diff --git a/private/aws-restjson-server/vite.config.js b/private/aws-restjson-server/vitest.config.mts
similarity index 100%
rename from private/aws-restjson-server/vite.config.js
rename to private/aws-restjson-server/vitest.config.mts
diff --git a/private/aws-restjson-validation-server/vite.config.js b/private/aws-restjson-validation-server/vitest.config.mts
similarity index 100%
rename from private/aws-restjson-validation-server/vite.config.js
rename to private/aws-restjson-validation-server/vitest.config.mts
diff --git a/scripts/generate-clients/config.js b/scripts/generate-clients/config.js
index 6d691c9cc652..204038085445 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: "0edd12e9b1e94706067e77f5a469b7eafccdab80",
+  SMITHY_TS_COMMIT: "73e7b4a437a0cad59f5bd6e18d3092e620c26b67",
 };
 
 if (module.exports.SMITHY_TS_COMMIT.length < 40) {