diff --git a/types/bitcoinjs-lib/index.d.ts b/types/bitcoinjs-lib/index.d.ts
index a05c3532b6..4efca7bd94 100644
--- a/types/bitcoinjs-lib/index.d.ts
+++ b/types/bitcoinjs-lib/index.d.ts
@@ -1,10 +1,11 @@
-// Type definitions for bitcoinjs-lib 3.3
+// Type definitions for bitcoinjs-lib 3.4
 // Project: https://github.com/bitcoinjs/bitcoinjs-lib
 // Definitions by:  Mohamed Hegazy <https://github.com/mhegazy>
 //                  Daniel <https://github.com/dlebrecht>
 //                  Ron Buckton <https://github.com/rbuckton>
 //                  Satana Charuwichitratana <https://github.com/micksatana>
 //                  Youssef GHOUBACH <https://github.com/youssefgh>
+//                  Kento <https://github.com/kento1218>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // Declaration file initially generated by dts-gen for bitcoinjs-lib 3.0.3
 // based on the flow version found at https://github.com/flowtype/flow-typed/blob/master/definitions/npm/bitcoinjs-lib_v2.x.x/flow_v0.17.x-/bitcoinjs-lib_v2.x.x.js