diff --git a/packages/util-crypto/package.json b/packages/util-crypto/package.json
index 6031db3c0..f3aaa94df 100644
--- a/packages/util-crypto/package.json
+++ b/packages/util-crypto/package.json
@@ -29,7 +29,7 @@
   "homepage": "https://github.com/polkadot-js/common/tree/master/packages/util-crypto#readme",
   "dependencies": {
     "@babel/runtime": "^7.3.4",
-    "@polkadot/schnorrkel-js": "^0.2.0-2",
+    "@polkadot/schnorrkel-js": "^0.2.0-3",
     "@polkadot/util": "^0.38.0-beta.1",
     "@types/bip39": "^2.4.2",
     "@types/pbkdf2": "^3.0.0",
diff --git a/packages/util-crypto/src/schnorrkel/derivePublic.ts b/packages/util-crypto/src/schnorrkel/derivePublic.ts
index b14b8c995..e5439f9fd 100644
--- a/packages/util-crypto/src/schnorrkel/derivePublic.ts
+++ b/packages/util-crypto/src/schnorrkel/derivePublic.ts
@@ -5,5 +5,5 @@
 import schnorrkel from '@polkadot/schnorrkel-js';
 
 export default function derivePublic (publicKey: Uint8Array, chainCode: Uint8Array): Uint8Array {
-  return schnorrkel.derivePublicSimple(publicKey, chainCode);
+  return schnorrkel.softDerivePublic(publicKey, chainCode);
 }
diff --git a/yarn.lock b/yarn.lock
index 3460d1fe3..5421cbe11 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1429,10 +1429,10 @@
     typescript "^3.3.3333"
     vuepress "^1.0.0-alpha.40"
 
-"@polkadot/schnorrkel-js@^0.2.0-2":
-  version "0.2.0-2"
-  resolved "https://registry.yarnpkg.com/@polkadot/schnorrkel-js/-/schnorrkel-js-0.2.0-2.tgz#d6affb6df1c896da43caa1f08535008ff30ec922"
-  integrity sha512-qmRRPF4UPfUNiNsXhjra3WdZmgWpR449ZPMj/UH0vS7J/ZK2zGiYCYmScdbmOISHnnsI9NJR6sIR1CVuFARrCw==
+"@polkadot/schnorrkel-js@^0.2.0-3":
+  version "0.2.0-3"
+  resolved "https://registry.yarnpkg.com/@polkadot/schnorrkel-js/-/schnorrkel-js-0.2.0-3.tgz#17b8f49f6c3b60dc2f64dc98d664447881d5a100"
+  integrity sha512-D+ITK9rfYLWnrDtvFJSXUujmWbxIUeyjy75QY/Vf9V2lDRO1WhF6ttW6H2NRvlPxxY6Qc5jebLYBZ7Put7AIpA==
 
 "@polkadot/ts@^0.1.56":
   version "0.1.56"