diff --git a/lerna.json b/lerna.json
index 7ac0eb78..ded8759f 100644
--- a/lerna.json
+++ b/lerna.json
@@ -1,6 +1,6 @@
 {
   "packages": ["packages/*"],
-  "version": "2.1.0",
+  "version": "2.2.0",
   "npmClient": "yarn",
   "useWorkspaces": true,
   "command": {
diff --git a/packages/zilliqa-js-account/package.json b/packages/zilliqa-js-account/package.json
index fdfc4a22..b0b48942 100644
--- a/packages/zilliqa-js-account/package.json
+++ b/packages/zilliqa-js-account/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@zilliqa-js/account",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "author": "Ian Tan (https://github.com/iantanwx)",
   "maintainers": [
     "Zilliqa Usability Team <maintainers@zilliqa.com> (https://github.com/zilliqa/)"
@@ -27,14 +27,13 @@
   "dependencies": {
     "@types/bip39": "^2.4.0",
     "@types/hdkey": "^0.7.0",
-    "@zilliqa-js/core": "2.1.0",
-    "@zilliqa-js/crypto": "2.1.0",
-    "@zilliqa-js/proto": "0.11.1",
-    "@zilliqa-js/util": "0.11.1",
+    "@zilliqa-js/core": "2.2.0",
+    "@zilliqa-js/crypto": "2.2.0",
+    "@zilliqa-js/proto": "2.2.0",
+    "@zilliqa-js/util": "2.2.0",
     "bip39": "^2.5.0",
     "hdkey": "^1.1.0"
   },
-  "devDependencies": {},
   "engines": {
     "node": ">=10.0.0 <15"
   }
diff --git a/packages/zilliqa-js-blockchain/package.json b/packages/zilliqa-js-blockchain/package.json
index 3f7c86e7..148dacaf 100644
--- a/packages/zilliqa-js-blockchain/package.json
+++ b/packages/zilliqa-js-blockchain/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@zilliqa-js/blockchain",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "description": "Class(es) for interacting with the Zilliqa blockchain.",
   "main": "dist/index.js",
   "node": "dist/index.js",
@@ -25,11 +25,11 @@
     "clean": "rimraf ./dist"
   },
   "dependencies": {
-    "@zilliqa-js/account": "2.1.0",
-    "@zilliqa-js/contract": "2.1.0",
-    "@zilliqa-js/core": "2.1.0",
-    "@zilliqa-js/crypto": "2.1.0",
-    "@zilliqa-js/util": "0.11.1",
+    "@zilliqa-js/account": "2.2.0",
+    "@zilliqa-js/contract": "2.2.0",
+    "@zilliqa-js/core": "2.2.0",
+    "@zilliqa-js/crypto": "2.2.0",
+    "@zilliqa-js/util": "2.2.0",
     "utility-types": "^3.4.1"
   },
   "engines": {
diff --git a/packages/zilliqa-js-contract/package.json b/packages/zilliqa-js-contract/package.json
index f2493769..f9cfa498 100644
--- a/packages/zilliqa-js-contract/package.json
+++ b/packages/zilliqa-js-contract/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@zilliqa-js/contract",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "description": "Contract-related functionality.",
   "main": "dist/index.js",
   "node": "dist/index.js",
@@ -25,11 +25,11 @@
     "clean": "rimraf ./dist"
   },
   "dependencies": {
-    "@zilliqa-js/account": "2.1.0",
-    "@zilliqa-js/blockchain": "2.1.0",
-    "@zilliqa-js/core": "2.1.0",
-    "@zilliqa-js/crypto": "2.1.0",
-    "@zilliqa-js/util": "0.11.1",
+    "@zilliqa-js/account": "2.2.0",
+    "@zilliqa-js/blockchain": "2.2.0",
+    "@zilliqa-js/core": "2.2.0",
+    "@zilliqa-js/crypto": "2.2.0",
+    "@zilliqa-js/util": "2.2.0",
     "hash.js": "^1.1.5",
     "utility-types": "^2.1.0"
   },
diff --git a/packages/zilliqa-js-core/package.json b/packages/zilliqa-js-core/package.json
index e85a1488..1b6ceaa4 100644
--- a/packages/zilliqa-js-core/package.json
+++ b/packages/zilliqa-js-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@zilliqa-js/core",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "description": "Core abstractions that power the zilliqa JS client.",
   "main": "dist/index.js",
   "node": "dist/index.js",
@@ -25,8 +25,8 @@
     "clean": "rimraf ./dist"
   },
   "dependencies": {
-    "@zilliqa-js/crypto": "2.1.0",
-    "@zilliqa-js/util": "0.11.1",
+    "@zilliqa-js/crypto": "2.2.0",
+    "@zilliqa-js/util": "2.2.0",
     "cross-fetch": "^2.2.2",
     "mitt": "^1.1.3"
   },
diff --git a/packages/zilliqa-js-crypto/package.json b/packages/zilliqa-js-crypto/package.json
index 6c654c94..24c3e3b0 100644
--- a/packages/zilliqa-js-crypto/package.json
+++ b/packages/zilliqa-js-crypto/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@zilliqa-js/crypto",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "description": "Core crypto utilities for signing/verification/hashing Zilliqa transactions.",
   "author": "Ian Tan (https://github.com/iantanwx)",
   "maintainers": [
@@ -24,9 +24,8 @@
   "scripts": {
     "clean": "rimraf ./dist"
   },
-  "optionalDependencies": {},
   "dependencies": {
-    "@zilliqa-js/util": "0.11.1",
+    "@zilliqa-js/util": "2.2.0",
     "aes-js": "^3.1.1",
     "bsert": "^0.0.4",
     "elliptic": "^6.5.0",
diff --git a/packages/zilliqa-js-proto/package.json b/packages/zilliqa-js-proto/package.json
index a1aedfee..bc696862 100644
--- a/packages/zilliqa-js-proto/package.json
+++ b/packages/zilliqa-js-proto/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@zilliqa-js/proto",
-  "version": "0.11.1",
+  "version": "2.2.0",
   "description": "Protobuf dependencies for message serialization",
   "author": "Ian Tan (https://github.com/iantanwx)",
   "maintainers": [
diff --git a/packages/zilliqa-js-subscriptions/package.json b/packages/zilliqa-js-subscriptions/package.json
index c1ef6e4b..63089999 100644
--- a/packages/zilliqa-js-subscriptions/package.json
+++ b/packages/zilliqa-js-subscriptions/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@zilliqa-js/subscriptions",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "description": "Class(es) for interactiong with websocket API of Zilliqa node",
   "main": "dist/index.js",
   "node": "dist/index.js",
@@ -26,7 +26,7 @@
   },
   "homepage": "https://github.com/Zilliqa/Zilliqa-Javascript-Library#readme",
   "dependencies": {
-    "@zilliqa-js/core": "2.1.0",
+    "@zilliqa-js/core": "2.2.0",
     "mock-socket": "^9.0.2",
     "websocket": "^1.0.28"
   }
diff --git a/packages/zilliqa-js-util/package.json b/packages/zilliqa-js-util/package.json
index 63cd5602..32bda541 100644
--- a/packages/zilliqa-js-util/package.json
+++ b/packages/zilliqa-js-util/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@zilliqa-js/util",
-  "version": "0.11.1",
+  "version": "2.2.0",
   "description": "Utilities for working with Zilliqa.",
   "author": "Ian Tan (https://github.com/iantanwx)",
   "maintainers": [
diff --git a/packages/zilliqa/package.json b/packages/zilliqa/package.json
index 27738fa2..f8f293c1 100644
--- a/packages/zilliqa/package.json
+++ b/packages/zilliqa/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@zilliqa-js/zilliqa",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "description": "Main entry point to the Zilliqa JS client.",
   "author": "Ian Tan (https://github.com/iantanwx)",
   "maintainers": [
@@ -22,13 +22,13 @@
     "clean": "rimraf ./dist"
   },
   "dependencies": {
-    "@zilliqa-js/account": "2.1.0",
-    "@zilliqa-js/blockchain": "2.1.0",
-    "@zilliqa-js/contract": "2.1.0",
-    "@zilliqa-js/core": "2.1.0",
-    "@zilliqa-js/crypto": "2.1.0",
-    "@zilliqa-js/subscriptions": "2.1.0",
-    "@zilliqa-js/util": "0.11.1"
+    "@zilliqa-js/account": "2.2.0",
+    "@zilliqa-js/blockchain": "2.2.0",
+    "@zilliqa-js/contract": "2.2.0",
+    "@zilliqa-js/core": "2.2.0",
+    "@zilliqa-js/crypto": "2.2.0",
+    "@zilliqa-js/subscriptions": "2.2.0",
+    "@zilliqa-js/util": "2.2.0"
   },
   "engines": {
     "node": ">=10.0.0 <15"