diff --git a/modules/apps/package.json b/modules/apps/package.json
index 439a44a477..5b25013f5d 100644
--- a/modules/apps/package.json
+++ b/modules/apps/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@connext/apps",
-  "version": "5.2.1",
+  "version": "6.0.0-alpha.0",
   "description": "Connext Counterfactual Apps",
   "main": "dist/index.js",
   "module": "dist/index.esm.js",
@@ -15,9 +15,9 @@
     "clean": "rm -rf ./dist"
   },
   "devDependencies": {
-    "@connext/cf-core": "5.2.1",
+    "@connext/cf-core": "6.0.0-alpha.0",
     "@connext/contracts": "1.0.5",
-    "@connext/types": "5.2.1",
+    "@connext/types": "6.0.0-alpha.0",
     "ethers": "4.0.45",
     "rollup": "1.31.1",
     "@rollup/plugin-json": "4.0.2",
diff --git a/modules/cf-core/package.json b/modules/cf-core/package.json
index 0741fdf793..edd526102c 100644
--- a/modules/cf-core/package.json
+++ b/modules/cf-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@connext/cf-core",
-  "version": "5.2.1",
+  "version": "6.0.0-alpha.0",
   "main": "dist/src/index.js",
   "iife": "dist/src/index.iife.js",
   "types": "dist/src/index.d.ts",
@@ -21,7 +21,7 @@
   },
   "dependencies": {
     "@connext/contracts": "1.0.5",
-    "@connext/types": "5.2.1",
+    "@connext/types": "6.0.0-alpha.0",
     "ethers": "4.0.45",
     "@openzeppelin/contracts": "2.5.0",
     "eventemitter3": "4.0.0",
@@ -34,7 +34,7 @@
   "devDependencies": {
     "@babel/core": "7.8.4",
     "@babel/plugin-proposal-object-rest-spread": "7.8.3",
-    "@connext/store": "5.2.1",
+    "@connext/store": "6.0.0-alpha.0",
     "@types/chai": "4.2.9",
     "@types/dotenv-safe": "8.1.0",
     "@types/jest": "25.1.2",
diff --git a/modules/channel-provider/package.json b/modules/channel-provider/package.json
index 5bf754661e..f92a06deca 100644
--- a/modules/channel-provider/package.json
+++ b/modules/channel-provider/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@connext/channel-provider",
-  "version": "5.2.1",
+  "version": "6.0.0-alpha.0",
   "description": "Channel Provider module for Connext client",
   "main": "dist/index.js",
   "files": [
@@ -16,7 +16,7 @@
     "test": "./node_modules/.bin/ts-mocha --watch"
   },
   "dependencies": {
-    "@connext/types": "5.2.1",
+    "@connext/types": "6.0.0-alpha.0",
     "eventemitter3": "4.0.0"
   },
   "devDependencies": {
diff --git a/modules/client/package.json b/modules/client/package.json
index dc31d0f593..908d41137b 100644
--- a/modules/client/package.json
+++ b/modules/client/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@connext/client",
-  "version": "5.2.1",
+  "version": "6.0.0-alpha.0",
   "description": "Client for Connext Network",
   "main": "dist/index.js",
   "files": [
@@ -16,13 +16,13 @@
     "test": "./node_modules/.bin/jest --runInBand"
   },
   "dependencies": {
-    "@connext/apps": "5.2.1",
-    "@connext/cf-core": "5.2.1",
-    "@connext/channel-provider": "5.2.1",
-    "@connext/crypto": "5.2.1",
-    "@connext/messaging": "5.2.1",
-    "@connext/store": "5.2.1",
-    "@connext/types": "5.2.1",
+    "@connext/apps": "6.0.0-alpha.0",
+    "@connext/cf-core": "6.0.0-alpha.0",
+    "@connext/channel-provider": "6.0.0-alpha.0",
+    "@connext/crypto": "6.0.0-alpha.0",
+    "@connext/messaging": "6.0.0-alpha.0",
+    "@connext/store": "6.0.0-alpha.0",
+    "@connext/types": "6.0.0-alpha.0",
     "core-js": "3.6.4",
     "ethers": "4.0.45",
     "eccrypto": "1.1.3",
diff --git a/modules/contracts/package.json b/modules/contracts/package.json
index 7b5ab19cef..38cc3add7f 100644
--- a/modules/contracts/package.json
+++ b/modules/contracts/package.json
@@ -29,7 +29,7 @@
     "transpile": "./node_modules/.bin/tsc -p tsconfig.json"
   },
   "dependencies": {
-    "@connext/types": "5.2.1",
+    "@connext/types": "6.0.0-alpha.0",
     "ethers": "4.0.45",
     "@openzeppelin/contracts": "2.5.0",
     "ganache-cli": "6.9.1",
diff --git a/modules/crypto/package.json b/modules/crypto/package.json
index 0262bdc5d0..aa2daed976 100644
--- a/modules/crypto/package.json
+++ b/modules/crypto/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@connext/crypto",
-  "version": "5.2.1",
+  "version": "6.0.0-alpha.0",
   "description": "Crypto module for Connext client",
   "main": "dist/index.js",
   "files": [
@@ -15,7 +15,7 @@
     "test": "./node_modules/.bin/jest --runInBand"
   },
   "dependencies": {
-    "@connext/types": "5.2.1",
+    "@connext/types": "6.0.0-alpha.0",
     "eccrypto-js": "4.4.0"
   },
   "devDependencies": {
diff --git a/modules/daicard/package.json b/modules/daicard/package.json
index 3f3d79cf09..3a503738cb 100644
--- a/modules/daicard/package.json
+++ b/modules/daicard/package.json
@@ -13,9 +13,9 @@
     "format": "prettier --write \"src/**/*.js\""
   },
   "dependencies": {
-    "@connext/client": "5.2.1",
-    "@connext/store": "5.2.1",
-    "@connext/types": "5.2.1",
+    "@connext/client": "6.0.0-alpha.0",
+    "@connext/store": "6.0.0-alpha.0",
+    "@connext/types": "6.0.0-alpha.0",
     "@material-ui/core": "4.9.3",
     "@material-ui/icons": "4.9.1",
     "@walletconnect/browser": "1.0.0-beta.47",
@@ -42,7 +42,7 @@
     "xstate": "4.7.8"
   },
   "devDependencies": {
-    "@connext/types": "5.2.1",
+    "@connext/types": "6.0.0-alpha.0",
     "bn.js": "5.1.1",
     "chai-bn": "0.2.0"
   },
diff --git a/modules/dashboard/package.json b/modules/dashboard/package.json
index e8b7227706..8e01614273 100644
--- a/modules/dashboard/package.json
+++ b/modules/dashboard/package.json
@@ -10,9 +10,9 @@
     "eject": "./node_modules/.bin/react-scripts eject"
   },
   "dependencies": {
-    "@connext/cf-core": "5.2.1",
-    "@connext/messaging": "5.2.1",
-    "@connext/types": "5.2.1",
+    "@connext/cf-core": "6.0.0-alpha.0",
+    "@connext/messaging": "6.0.0-alpha.0",
+    "@connext/types": "6.0.0-alpha.0",
     "@material-ui/core": "4.9.3",
     "@material-ui/icons": "4.9.1",
     "react": "16.12.0",
diff --git a/modules/messaging/package.json b/modules/messaging/package.json
index ce5ae1be20..24c15b5d3f 100644
--- a/modules/messaging/package.json
+++ b/modules/messaging/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@connext/messaging",
   "description": "Messaging module for Connext client",
-  "version": "5.2.1",
+  "version": "6.0.0-alpha.0",
   "main": "dist/index.js",
   "iife": "dist/index.iife.js",
   "types": "dist/index.d.ts",
@@ -16,7 +16,7 @@
     "lint": "../../node_modules/.bin/eslint -c '../../.eslintrc.js' --fix 'src/**/*'"
   },
   "dependencies": {
-    "@connext/types": "5.2.1",
+    "@connext/types": "6.0.0-alpha.0",
     "ts-nats": "1.2.4",
     "websocket-nats": "0.3.3"
   },
diff --git a/modules/node/package.json b/modules/node/package.json
index 95ccc32002..0e78ac98aa 100644
--- a/modules/node/package.json
+++ b/modules/node/package.json
@@ -22,11 +22,11 @@
     "test:debug": "node --inspect-brk -r tsconfig-paths/register -r ts-node/register node_modules/.bin/jest --runInBand"
   },
   "dependencies": {
-    "@connext/apps": "5.2.1",
-    "@connext/cf-core": "5.2.1",
+    "@connext/apps": "6.0.0-alpha.0",
+    "@connext/cf-core": "6.0.0-alpha.0",
     "@connext/contracts": "1.0.5",
-    "@connext/messaging": "5.2.1",
-    "@connext/types": "5.2.1",
+    "@connext/messaging": "6.0.0-alpha.0",
+    "@connext/types": "6.0.0-alpha.0",
     "@nestjs/common": "7.0.2",
     "@nestjs/core": "7.0.2",
     "@nestjs/microservices": "7.0.2",
@@ -49,7 +49,7 @@
     "typeorm": "0.2.24"
   },
   "devDependencies": {
-    "@connext/client": "5.2.1",
+    "@connext/client": "6.0.0-alpha.0",
     "@nestjs/testing": "7.0.2",
     "@types/express": "4.17.2",
     "@types/jest": "25.1.2",
diff --git a/modules/store/package.json b/modules/store/package.json
index d27fa6f863..f7d200cd41 100644
--- a/modules/store/package.json
+++ b/modules/store/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@connext/store",
-  "version": "5.2.1",
+  "version": "6.0.0-alpha.0",
   "description": "Store module for Connext client",
   "main": "dist/index.js",
   "files": [
@@ -16,7 +16,7 @@
     "test": "./node_modules/.bin/jest"
   },
   "dependencies": {
-    "@connext/types": "5.2.1",
+    "@connext/types": "6.0.0-alpha.0",
     "ethers": "4.0.45",
     "pisa-client": "0.1.4-connext-beta.1",
     "uuid": "3.4.0"
diff --git a/modules/test-runner/package.json b/modules/test-runner/package.json
index c6396003a7..996b7d174b 100644
--- a/modules/test-runner/package.json
+++ b/modules/test-runner/package.json
@@ -11,14 +11,14 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "@connext/apps": "5.2.1",
-    "@connext/cf-core": "5.2.1",
-    "@connext/channel-provider": "5.2.1",
-    "@connext/client": "5.2.1",
+    "@connext/apps": "6.0.0-alpha.0",
+    "@connext/cf-core": "6.0.0-alpha.0",
+    "@connext/channel-provider": "6.0.0-alpha.0",
+    "@connext/client": "6.0.0-alpha.0",
     "@connext/contracts": "1.0.5",
-    "@connext/messaging": "5.2.1",
-    "@connext/store": "5.2.1",
-    "@connext/types": "5.2.1",
+    "@connext/messaging": "6.0.0-alpha.0",
+    "@connext/store": "6.0.0-alpha.0",
+    "@connext/types": "6.0.0-alpha.0",
     "@ethereum-waffle/chai": "2.3.0",
     "@openzeppelin/contracts": "2.5.0",
     "@types/pg": "^7.14.3",
diff --git a/modules/types/package.json b/modules/types/package.json
index 70c8920731..6c2058a3e5 100644
--- a/modules/types/package.json
+++ b/modules/types/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@connext/types",
-  "version": "5.2.1",
+  "version": "6.0.0-alpha.0",
   "description": "TypeScript typings for common Connext types",
   "main": "dist/index.js",
   "module": "dist/index.esm.js",