diff --git a/package-lock.json b/package-lock.json
index ec2de9c..a55bae5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@hashgraph/did-sdk-js",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@hashgraph/did-sdk-js",
-      "version": "0.1.0",
+      "version": "0.1.1",
       "license": "Apache-2.0",
       "dependencies": {
         "@hashgraph/sdk": "^2.0.20",
@@ -15,7 +15,7 @@
         "moment": "^2.29.1"
       },
       "devDependencies": {
-        "@types/node": "^16.7.7",
+        "@types/node": "^20.14.8",
         "chai": "^4.3.4",
         "mocha": "^9.0.1",
         "nodemon": "^2.0.7",
@@ -170,9 +170,12 @@
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     },
     "node_modules/@types/node": {
-      "version": "16.7.7",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-16.7.7.tgz",
-      "integrity": "sha512-bxWC4rgIF/FjM7JsPvpk6ZKGITgw27qsYCbi6h4kWZWYpchOLENgvFaRBZUc64Q/M1y+X2EteahRbyo8QFCKdw=="
+      "version": "20.14.8",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.14.8.tgz",
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+      "dependencies": {
+        "undici-types": "~5.26.4"
+      }
     },
     "node_modules/@types/utf8": {
       "version": "3.0.0",
@@ -2015,6 +2018,11 @@
       "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
       "dev": true
     },
+    "node_modules/undici-types": {
+      "version": "5.26.5",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
+      "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA=="
+    },
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       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/unique-string/-/unique-string-2.0.0.tgz",
@@ -2432,9 +2440,12 @@
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     },
     "@types/node": {
-      "version": "16.7.7",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-16.7.7.tgz",
-      "integrity": "sha512-bxWC4rgIF/FjM7JsPvpk6ZKGITgw27qsYCbi6h4kWZWYpchOLENgvFaRBZUc64Q/M1y+X2EteahRbyo8QFCKdw=="
+      "version": "20.14.8",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.14.8.tgz",
+      "integrity": "sha512-DO+2/jZinXfROG7j7WKFn/3C6nFwxy2lLpgLjEXJz+0XKphZlTLJ14mo8Vfg8X5BWN6XjyESXq+LcYdT7tR3bA==",
+      "requires": {
+        "undici-types": "~5.26.4"
+      }
     },
     "@types/utf8": {
       "version": "3.0.0",
@@ -3818,6 +3829,11 @@
         }
       }
     },
+    "undici-types": {
+      "version": "5.26.5",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
+      "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA=="
+    },
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       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/unique-string/-/unique-string-2.0.0.tgz",
diff --git a/package.json b/package.json
index 0aad9dd..f96c690 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
   },
   "homepage": "https://github.com/hashgraph/did-sdk-js#readme",
   "devDependencies": {
-    "@types/node": "^16.7.7",
+    "@types/node": "^20.14.8",
     "chai": "^4.3.4",
     "mocha": "^9.0.1",
     "nodemon": "^2.0.7",