diff --git a/lib/src/registry/registration.dart b/lib/src/registry/registration.dart
index 4854447..0006bcd 100644
--- a/lib/src/registry/registration.dart
+++ b/lib/src/registry/registration.dart
@@ -10,6 +10,7 @@ import 'package:pointycastle/block/modes/ecb.dart';
 import 'package:pointycastle/block/modes/gctr.dart';
 import 'package:pointycastle/block/modes/ofb.dart';
 import 'package:pointycastle/block/modes/sic.dart';
+import 'package:pointycastle/digests/blake2b.dart';
 import 'package:pointycastle/digests/md2.dart';
 import 'package:pointycastle/digests/md4.dart';
 import 'package:pointycastle/digests/md5.dart';
@@ -118,6 +119,7 @@ void _registerBlockCiphers(FactoryRegistry registry) {
 }
 
 void _registerDigests(FactoryRegistry registry) {
+  registry.register(Blake2bDigest.FACTORY_CONFIG);
   registry.register(MD2Digest.FACTORY_CONFIG);
   registry.register(MD4Digest.FACTORY_CONFIG);
   registry.register(MD5Digest.FACTORY_CONFIG);