diff --git a/aws-sdk/aws-sdk.d.ts b/aws-sdk/aws-sdk.d.ts
index 6ed671ab8f..3fe8f65b0f 100644
--- a/aws-sdk/aws-sdk.d.ts
+++ b/aws-sdk/aws-sdk.d.ts
@@ -382,6 +382,7 @@ declare module "aws-sdk" {
     endpoint: Endpoint;
 
     getObject(params: s3.GetObjectRequest, callback?: (err: Error, data: any) => void): any;
+    copyObject(params: s3.CopyObjectRequest, callback?: (err: Error, data: any) => void): any;
     putObject(params: s3.PutObjectRequest, callback: (err: Error, data: any) => void): void;
     deleteObject(params: s3.DeleteObjectRequest, callback: (err: Error, data: any) => void): void;
     headObject(params: s3.HeadObjectRequest, callback: (err: Error, data: any) => void): void;
@@ -2263,6 +2264,40 @@ declare module "aws-sdk" {
       WebsiteRedirectLocation?: string;
     }
 
+    export interface CopyObjectRequest {
+      Bucket: string;
+      CopySource: string;
+      Key: string;
+      ACL?: string;
+      CacheControl?: string;
+      ContentDisposition?: string;
+      ContentEncoding?: string;
+      ContentLanguage?: string;
+      ContentType?: string;
+      CopySourceIfMatch?: string;
+      CopySourceIfModifiedSince?: any;
+      CopySourceIfNoneMatch?: string;
+      CopySourceIfUnmodifiedSince?: any;
+      CopySourceSSECustomerAlgorithm?: string;
+      CopySourceSSECustomerKey?: any;
+      CopySourceSSECustomerKeyMD5?: string;
+      Expires?: any;
+      GrantFullControl?: string;
+      GrantRead?: string;
+      GrantReadACP?: string;
+      GrantWriteACP?: string;
+      Metadata?: { [key: string]: string; };
+      MetadataDirective?: string;
+      RequestPayer?: string;
+      SSECustomerAlgorithm?: string;
+      SSECustomerKey?: any;
+      SSECustomerKeyMD5?: string;
+      SSEKMSKeyId?: string;
+      ServerSideEncryption?: string;
+      StorageClass?: string;
+      WebsiteRedirectLocation?: string;
+    }
+
     export interface GetObjectRequest {
       Bucket: string;
       IfMatch?: string;