diff --git a/package.json b/package.json
index 21ee575..e714c49 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,6 @@
   },
   "devDependencies": {
     "chai": "^4.2.0",
-    "blake2b-wasm": "^2.1.0",
     "eslint": "^6.8.0",
     "lodash": "^4.17.15",
     "mocha": "^7.1.1"
diff --git a/src/keypair.js b/src/keypair.js
index d54553b..d33b5eb 100644
--- a/src/keypair.js
+++ b/src/keypair.js
@@ -2,7 +2,7 @@
 const bn128 = require("ffjavascript").bn128;
 const utils = require("ffjavascript").utils;
 
-const blake2b = require("blake2b");
+const blake2b = require("blake2b-wasm");
 
 const ChaCha = require("ffjavascript").ChaCha;