diff --git a/packages/target-ethers-v4/package.json b/packages/target-ethers-v4/package.json
index 8bc2245e0..e95e1cccb 100644
--- a/packages/target-ethers-v4/package.json
+++ b/packages/target-ethers-v4/package.json
@@ -8,7 +8,7 @@
     "TypeChain",
     "TypeScript"
   ],
-  "version": "1.0.1",
+  "version": "2.0.0",
   "license": "MIT",
   "repository": "https://github.com/ethereum-ts/Typechain",
   "main": "./dist/index.js",
@@ -33,7 +33,7 @@
     "test:fix": "yarn lint:fix && yarn format:fix && yarn test && yarn typecheck"
   },
   "peerDependencies": {
-    "typechain": "^3.0.0",
+    "typechain": "^4.0.0",
     "ethers": "^4.0.0"
   },
   "devDependencies": {
diff --git a/packages/target-ethers-v5/package.json b/packages/target-ethers-v5/package.json
index 8a0bb709f..4415d2751 100644
--- a/packages/target-ethers-v5/package.json
+++ b/packages/target-ethers-v5/package.json
@@ -8,7 +8,7 @@
     "TypeChain",
     "TypeScript"
   ],
-  "version": "2.0.0",
+  "version": "3.0.0",
   "license": "MIT",
   "repository": "https://github.com/ethereum-ts/Typechain",
   "main": "./dist/index.js",
@@ -33,7 +33,7 @@
     "test:fix": "yarn lint:fix && yarn format:fix && yarn test && yarn typecheck"
   },
   "peerDependencies": {
-    "typechain": "^3.0.0",
+    "typechain": "^4.0.0",
     "ethers": "^5.0.0"
   },
   "devDependencies": {
diff --git a/packages/target-truffle-v4/package.json b/packages/target-truffle-v4/package.json
index 319a11d65..8d1f5d414 100644
--- a/packages/target-truffle-v4/package.json
+++ b/packages/target-truffle-v4/package.json
@@ -7,7 +7,7 @@
     "TypeChain",
     "TypeScript"
   ],
-  "version": "2.0.3",
+  "version": "3.0.0",
   "license": "MIT",
   "repository": "https://github.com/ethereum-ts/Typechain",
   "main": "./dist/index.js",
@@ -31,7 +31,7 @@
     "test:fix": "yarn lint:fix && yarn format:fix && yarn test && yarn typecheck"
   },
   "peerDependencies": {
-    "typechain": "^3.0.0",
+    "typechain": "^4.0.0",
     "truffle": "^4.0.0"
   },
   "devDependencies": {
diff --git a/packages/target-truffle-v5/package.json b/packages/target-truffle-v5/package.json
index db262549f..ee46eec23 100644
--- a/packages/target-truffle-v5/package.json
+++ b/packages/target-truffle-v5/package.json
@@ -31,7 +31,7 @@
     "test:fix": "yarn lint:fix && yarn format:fix && yarn test && yarn typecheck"
   },
   "peerDependencies": {
-    "typechain": "^3.0.0",
+    "typechain": "^4.0.0",
     "truffle": "^5.0.0"
   },
   "devDependencies": {
diff --git a/packages/target-web3-v1/package.json b/packages/target-web3-v1/package.json
index 66f625c9e..245df936f 100644
--- a/packages/target-web3-v1/package.json
+++ b/packages/target-web3-v1/package.json
@@ -7,7 +7,7 @@
     "TypeChain",
     "TypeScript"
   ],
-  "version": "1.0.0",
+  "version": "2.0.0",
   "license": "MIT",
   "repository": "https://github.com/ethereum-ts/Typechain",
   "main": "./dist/index.js",
@@ -32,7 +32,7 @@
     "test:fix": "yarn lint:fix && yarn format:fix && yarn test && yarn typecheck"
   },
   "peerDependencies": {
-    "typechain": "^3.0.0",
+    "typechain": "^4.0.0",
     "web3": "^1.0.0"
   },
   "devDependencies": {
diff --git a/packages/typechain/package.json b/packages/typechain/package.json
index 2ccf0f715..add8fdca5 100644
--- a/packages/typechain/package.json
+++ b/packages/typechain/package.json
@@ -8,7 +8,7 @@
     "smartcontract",
     "blockchain"
   ],
-  "version": "3.0.0",
+  "version": "4.0.0",
   "license": "MIT",
   "repository": "https://github.com/ethereum-ts/Typechain",
   "main": "./dist/index.js",