diff --git a/packages/oo7-substrate/package.json b/packages/oo7-substrate/package.json
index bd24eba..5aaa14e 100644
--- a/packages/oo7-substrate/package.json
+++ b/packages/oo7-substrate/package.json
@@ -24,7 +24,7 @@
   "homepage": "https://github.com/paritytech/oo7/tree/master/packages/oo7-substrate#readme",
   "dependencies": {
     "@polkadot/util": "^0.41.1",
-    "@polkadot/wasm-crypto": "^0.5.1",
+    "@polkadot/wasm-crypto": "^0.14.1",
     "@polkadot/wasm-schnorrkel": "^0.3.1",
     "base-x": "^3.0.4",
     "bip39": "^2.5.0",
diff --git a/packages/oo7-substrate/yarn.lock b/packages/oo7-substrate/yarn.lock
index 8c3f3eb..4ed60db 100644
--- a/packages/oo7-substrate/yarn.lock
+++ b/packages/oo7-substrate/yarn.lock
@@ -24,10 +24,10 @@
     ip-regex "^4.0.0"
     moment "^2.24.0"
 
-"@polkadot/wasm-crypto@^0.5.1":
-  version "0.5.1"
-  resolved "https://registry.yarnpkg.com/@polkadot/wasm-crypto/-/wasm-crypto-0.5.1.tgz#3d5734d6dc2f5174a411689f78538287d21bd710"
-  integrity sha512-8h7uz85bvLVirtbxLkELr9H25oqAfgnQuDP6FP3QJeag7VfMtVvRF5U2JWGgsiUSiRg+UJnTuCleOSDnageRmg==
+"@polkadot/wasm-crypto@^0.14.1":
+  version "0.14.1"
+  resolved "https://registry.yarnpkg.com/@polkadot/wasm-crypto/-/wasm-crypto-0.14.1.tgz#f4923bba22d7c68a4be3575ba27790947b212633"
+  integrity sha512-Xng7L2Z8TNZa/5g6pot4O06Jf0ohQRZdvfl8eQL+E/L2mcqJYC1IjkMxJBSBuQEV7hisWzh9mHOy5WCcgPk29Q==
 
 "@polkadot/wasm-schnorrkel@^0.3.1":
   version "0.3.1"