diff --git a/packages/@purser/core/package-lock.json b/packages/@purser/core/package-lock.json
index b269da79..2ee3608d 100644
--- a/packages/@purser/core/package-lock.json
+++ b/packages/@purser/core/package-lock.json
@@ -261,13 +261,25 @@
 			}
 		},
 		"hdkey": {
-			"version": "1.1.2",
-			"resolved": "https://registry.npmjs.org/hdkey/-/hdkey-1.1.2.tgz",
-			"integrity": "sha512-PTQ4VKu0oRnCrYfLp04iQZ7T2Cxz0UsEXYauk2j8eh6PJXCpbXuCFhOmtIFtbET0i3PMWmHN9J11gU8LEgUljQ==",
+			"version": "2.0.1",
+			"resolved": "https://registry.npmjs.org/hdkey/-/hdkey-2.0.1.tgz",
+			"integrity": "sha512-c+tl9PHG9/XkGgG0tD7CJpRVaE0jfZizDNmnErUAKQ4EjQSOcOUcV3EN9ZEZS8pZ4usaeiiK0H7stzuzna8feA==",
 			"requires": {
 				"bs58check": "^2.1.2",
 				"safe-buffer": "^5.1.1",
-				"secp256k1": "^3.0.1"
+				"secp256k1": "^4.0.0"
+			},
+			"dependencies": {
+				"secp256k1": {
+					"version": "4.0.2",
+					"resolved": "https://registry.npmjs.org/secp256k1/-/secp256k1-4.0.2.tgz",
+					"integrity": "sha512-UDar4sKvWAksIlfX3xIaQReADn+WFnHvbVujpcbr+9Sf/69odMwy2MUsz5CKLQgX9nsIyrjuxL2imVyoNHa3fg==",
+					"requires": {
+						"elliptic": "^6.5.2",
+						"node-addon-api": "^2.0.0",
+						"node-gyp-build": "^4.2.0"
+					}
+				}
 			}
 		},
 		"hmac-drbg": {
@@ -332,6 +344,16 @@
 			"resolved": "https://registry.npmjs.org/nan/-/nan-2.14.1.tgz",
 			"integrity": "sha512-isWHgVjnFjh2x2yuJ/tj3JbwoHu3UC2dX5G/88Cm24yB6YopVgxvBObDY7n5xW6ExmFhJpSEQqFPvq9zaXc8Jw=="
 		},
+		"node-addon-api": {
+			"version": "2.0.2",
+			"resolved": "https://registry.npmjs.org/node-addon-api/-/node-addon-api-2.0.2.tgz",
+			"integrity": "sha512-Ntyt4AIXyaLIuMHF6IOoTakB3K+RWxwtsHNRxllEoA6vPwP9o4866g6YWDLUdnucilZhmkxiHwHr11gAENw+QA=="
+		},
+		"node-gyp-build": {
+			"version": "4.2.3",
+			"resolved": "https://registry.npmjs.org/node-gyp-build/-/node-gyp-build-4.2.3.tgz",
+			"integrity": "sha512-MN6ZpzmfNCRM+3t57PTJHgHyw/h4OWnZ6mR8P5j/uZtqQr46RRuDE/P+g3n0YR/AiYXeWixZZzaip77gdICfRg=="
+		},
 		"ripemd160": {
 			"version": "2.0.2",
 			"resolved": "https://registry.npmjs.org/ripemd160/-/ripemd160-2.0.2.tgz",
diff --git a/packages/@purser/core/package.json b/packages/@purser/core/package.json
index a41dfaf9..edbd5683 100644
--- a/packages/@purser/core/package.json
+++ b/packages/@purser/core/package.json
@@ -41,7 +41,7 @@
         "bn.js": "^5.1.1",
         "ethereumjs-common": "^1.5.0",
         "ethereumjs-util": "^6.2.0",
-        "hdkey": "^1.1.2"
+        "hdkey": "^2.0.0"
     },
     "devDependencies": {
         "ethers": "^4.0.47"