diff --git a/ethers-ext/package-lock.json b/ethers-ext/package-lock.json
index 9cfcda354..573913e18 100644
--- a/ethers-ext/package-lock.json
+++ b/ethers-ext/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@klaytn/ethers-ext",
-  "version": "1.0.1",
+  "version": "1.0.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@klaytn/ethers-ext",
-      "version": "1.0.1",
+      "version": "1.0.2",
       "license": "MIT",
       "dependencies": {
         "@ethersproject/abstract-provider": "^5.7.0",
@@ -29,6 +29,7 @@
         "@ethersproject/web": "^5.7.1",
         "@klaytn/js-ext-core": "^1.0.0",
         "@klaytn/web3rpc": "^0.9.9",
+        "ethers6": "npm:ethers@^6.12.1",
         "lodash": "^4.17.21"
       },
       "devDependencies": {
@@ -62,6 +63,11 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/@adraffy/ens-normalize": {
+      "version": "1.10.1",
+      "resolved": "https://registry.npmjs.org/@adraffy/ens-normalize/-/ens-normalize-1.10.1.tgz",
+      "integrity": "sha512-96Z2IP3mYmF1Xg2cDm8f1gWGf/HUVedQ3FMifV4kG/PQ4yEP51xDtRAEfhVNt5f/uzpNkZHwWQuUcu6D6K+Ekw=="
+    },
     "node_modules/@ampproject/remapping": {
       "version": "2.2.1",
       "resolved": "https://registry.npmjs.org/@ampproject/remapping/-/remapping-2.2.1.tgz",
@@ -1482,6 +1488,28 @@
       "integrity": "sha512-s88O1aVtXftvp5bCPB7WnmXc5IwOZZ7YPuwNPt+GtOOXpPvad1LfbmjYv+qII7zP6RU2QGnqve27dnLycEnyEQ==",
       "optional": true
     },
+    "node_modules/@noble/curves": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/@noble/curves/-/curves-1.2.0.tgz",
+      "integrity": "sha512-oYclrNgRaM9SsBUBVbb8M6DTV7ZHRTKugureoYEncY5c65HOmRzvSiTE3y5CYaPYJA/GVkrhXEoF0M3Ya9PMnw==",
+      "dependencies": {
+        "@noble/hashes": "1.3.2"
+      },
+      "funding": {
+        "url": "https://paulmillr.com/funding/"
+      }
+    },
+    "node_modules/@noble/hashes": {
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.3.2.tgz",
+      "integrity": "sha512-MVC8EAQp7MvEcm30KWENFjgR+Mkmf+D189XJTkFIlwohU5hcBbn1ZkKq7KVTi2Hme3PMGF390DaL52beVrIihQ==",
+      "engines": {
+        "node": ">= 16"
+      },
+      "funding": {
+        "url": "https://paulmillr.com/funding/"
+      }
+    },
     "node_modules/@nodelib/fs.scandir": {
       "version": "2.1.5",
       "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz",
@@ -1609,8 +1637,7 @@
     "node_modules/@types/node": {
       "version": "18.15.13",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-18.15.13.tgz",
-      "integrity": "sha512-N+0kuo9KgrUQ1Sn/ifDXsvg0TTleP7rIy4zOBGECxAljqvqfqpTfzx0Q1NUedOixRMBfe2Whhb056a42cWs26Q==",
-      "dev": true
+      "integrity": "sha512-N+0kuo9KgrUQ1Sn/ifDXsvg0TTleP7rIy4zOBGECxAljqvqfqpTfzx0Q1NUedOixRMBfe2Whhb056a42cWs26Q=="
     },
     "node_modules/@types/semver": {
       "version": "7.5.0",
@@ -3369,6 +3396,59 @@
         "@ethersproject/wordlists": "5.7.0"
       }
     },
+    "node_modules/ethers6": {
+      "name": "ethers",
+      "version": "6.12.1",
+      "resolved": "https://registry.npmjs.org/ethers/-/ethers-6.12.1.tgz",
+      "integrity": "sha512-j6wcVoZf06nqEcBbDWkKg8Fp895SS96dSnTCjiXT+8vt2o02raTn4Lo9ERUuIVU5bAjoPYeA+7ytQFexFmLuVw==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://github.com/sponsors/ethers-io/"
+        },
+        {
+          "type": "individual",
+          "url": "https://www.buymeacoffee.com/ricmoo"
+        }
+      ],
+      "dependencies": {
+        "@adraffy/ens-normalize": "1.10.1",
+        "@noble/curves": "1.2.0",
+        "@noble/hashes": "1.3.2",
+        "@types/node": "18.15.13",
+        "aes-js": "4.0.0-beta.5",
+        "tslib": "2.4.0",
+        "ws": "8.5.0"
+      },
+      "engines": {
+        "node": ">=14.0.0"
+      }
+    },
+    "node_modules/ethers6/node_modules/aes-js": {
+      "version": "4.0.0-beta.5",
+      "resolved": "https://registry.npmjs.org/aes-js/-/aes-js-4.0.0-beta.5.tgz",
+      "integrity": "sha512-G965FqalsNyrPqgEGON7nIx1e/OVENSgiEIzyC63haUMuvNnwIgIjMs52hlTCKhkBny7A2ORNlfY9Zu+jmGk1Q=="
+    },
+    "node_modules/ethers6/node_modules/ws": {
+      "version": "8.5.0",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.5.0.tgz",
+      "integrity": "sha512-BWX0SWVgLPzYwF8lTzEy1egjhS4S4OEAHfsO8o65WOVsrnSRGaSiUaa9e0ggGlkMTtBlmOpEXiie9RUcBO86qg==",
+      "engines": {
+        "node": ">=10.0.0"
+      },
+      "peerDependencies": {
+        "bufferutil": "^4.0.1",
+        "utf-8-validate": "^5.0.2"
+      },
+      "peerDependenciesMeta": {
+        "bufferutil": {
+          "optional": true
+        },
+        "utf-8-validate": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/events": {
       "version": "3.3.0",
       "resolved": "https://registry.npmjs.org/events/-/events-3.3.0.tgz",
@@ -5881,6 +5961,11 @@
         "json5": "lib/cli.js"
       }
     },
+    "node_modules/tslib": {
+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.4.0.tgz",
+      "integrity": "sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ=="
+    },
     "node_modules/type-check": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.4.0.tgz",
diff --git a/ethers-ext/package.json b/ethers-ext/package.json
index e2e3525ff..de58cfea6 100644
--- a/ethers-ext/package.json
+++ b/ethers-ext/package.json
@@ -18,6 +18,20 @@
   },
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
+  "exports": {
+    ".": {
+      "types": "./dist/index.d.ts",
+      "default": "./dist/index.js"
+    },
+    "./v5": {
+      "types": "./dist/v5/index.d.ts",
+      "default": "./dist/v5/index.js"
+    },
+    "./v6": {
+      "types": "./dist/v6/index.d.ts",
+      "default": "./dist/v6/index.js"
+    }
+  },
   "files": [
     "./dist",
     "./src"
@@ -75,6 +89,7 @@
     "@ethersproject/web": "^5.7.1",
     "@klaytn/js-ext-core": "^1.0.0",
     "@klaytn/web3rpc": "^0.9.9",
+    "ethers6": "npm:ethers@^6.12.1",
     "lodash": "^4.17.21"
   }
 }
diff --git a/ethers-ext/src/index.ts b/ethers-ext/src/index.ts
index 3c96b3458..b8e089a19 100644
--- a/ethers-ext/src/index.ts
+++ b/ethers-ext/src/index.ts
@@ -1,23 +1,12 @@
-// Pass-through js-ext-core exports
-export * from "@klaytn/js-ext-core/util";
-export {
-  AccountKey,
-  AccountKeyFactory,
-  KlaytnTx,
-  KlaytnTxFactory,
-  parseTransaction,
-} from "@klaytn/js-ext-core";
+// require("@klaytn/ethers-ext") exports the extension for ethers v5
+export * from "./v5";
 
-// ethers-ext classes and functions
-export * from "./accountStore";
-export * from "./keystore";
-export * from "./signer";
+// require("@klaytn/ethers-ext").v5 exports the extension for ethers v5
+// require("@klaytn/ethers-ext").v6 exports the extension for ethers v6
+import * as v5 from "./v5";
+import * as v6 from "./v6";
+export { v5, v6 };
 
-// Follow ethers v6 convention like `ethers.JsonRpcProvider`
-export * from "./provider";
-// Follow ethers v5 convention like `ethers.providers.JsonRpcProvider`
-import { JsonRpcProvider, Web3Provider } from "./provider";
-export const providers = {
-  JsonRpcProvider,
-  Web3Provider,
-};
\ No newline at end of file
+// require("@klaytn/ethers-ext/v5") exports the extension for ethers v5
+// require("@klaytn/ethers-ext/v6") exports the extension for ethers v6
+// (declared in package.json:exports. No code needeed here)
diff --git a/ethers-ext/src/accountStore.ts b/ethers-ext/src/v5/accountStore.ts
similarity index 100%
rename from ethers-ext/src/accountStore.ts
rename to ethers-ext/src/v5/accountStore.ts
diff --git a/ethers-ext/src/v5/index.ts b/ethers-ext/src/v5/index.ts
new file mode 100644
index 000000000..3c96b3458
--- /dev/null
+++ b/ethers-ext/src/v5/index.ts
@@ -0,0 +1,23 @@
+// Pass-through js-ext-core exports
+export * from "@klaytn/js-ext-core/util";
+export {
+  AccountKey,
+  AccountKeyFactory,
+  KlaytnTx,
+  KlaytnTxFactory,
+  parseTransaction,
+} from "@klaytn/js-ext-core";
+
+// ethers-ext classes and functions
+export * from "./accountStore";
+export * from "./keystore";
+export * from "./signer";
+
+// Follow ethers v6 convention like `ethers.JsonRpcProvider`
+export * from "./provider";
+// Follow ethers v5 convention like `ethers.providers.JsonRpcProvider`
+import { JsonRpcProvider, Web3Provider } from "./provider";
+export const providers = {
+  JsonRpcProvider,
+  Web3Provider,
+};
\ No newline at end of file
diff --git a/ethers-ext/src/keystore.ts b/ethers-ext/src/v5/keystore.ts
similarity index 100%
rename from ethers-ext/src/keystore.ts
rename to ethers-ext/src/v5/keystore.ts
diff --git a/ethers-ext/src/provider.ts b/ethers-ext/src/v5/provider.ts
similarity index 100%
rename from ethers-ext/src/provider.ts
rename to ethers-ext/src/v5/provider.ts
diff --git a/ethers-ext/src/signer.ts b/ethers-ext/src/v5/signer.ts
similarity index 100%
rename from ethers-ext/src/signer.ts
rename to ethers-ext/src/v5/signer.ts
diff --git a/ethers-ext/src/txutil.ts b/ethers-ext/src/v5/txutil.ts
similarity index 100%
rename from ethers-ext/src/txutil.ts
rename to ethers-ext/src/v5/txutil.ts
diff --git a/ethers-ext/src/types.ts b/ethers-ext/src/v5/types.ts
similarity index 100%
rename from ethers-ext/src/types.ts
rename to ethers-ext/src/v5/types.ts
diff --git a/ethers-ext/src/v6/index.ts b/ethers-ext/src/v6/index.ts
new file mode 100644
index 000000000..f623a7097
--- /dev/null
+++ b/ethers-ext/src/v6/index.ts
@@ -0,0 +1 @@
+export * from "./signer";
\ No newline at end of file
diff --git a/ethers-ext/src/v6/signer.ts b/ethers-ext/src/v6/signer.ts
new file mode 100644
index 000000000..50c80923b
--- /dev/null
+++ b/ethers-ext/src/v6/signer.ts
@@ -0,0 +1,5 @@
+import { Wallet as EthersWallet } from "ethers6";
+
+export class Wallet extends EthersWallet {
+
+}
\ No newline at end of file