diff --git a/packages/sdk/package.json b/packages/sdk/package.json
index f51f0745..2bc6b559 100644
--- a/packages/sdk/package.json
+++ b/packages/sdk/package.json
@@ -21,7 +21,7 @@
     "@acala-network/api": "^5",
     "@acala-network/eth-providers": "~2.7.3",
     "@polkadot/api": "^10",
-    "ethers": "~5.7.0"
+    "ethers": "~6.7.1"
   },
   "dependencies": {
     "@acala-network/api": "^5.1.1",
@@ -29,7 +29,7 @@
     "@acala-network/sdk-core": "4.1.9-8",
     "@polkadot/api": "^10.9.1",
     "axios": "^0.24.0",
-    "ethers": "~5.7.0",
+    "ethers": "~6.7.1",
     "graphql": "^16.3.0",
     "graphql-request": "^4.1.0",
     "lodash": "^4.17.20",
diff --git a/packages/wormhole-portal/package.json b/packages/wormhole-portal/package.json
index be9240bf..2544797a 100644
--- a/packages/wormhole-portal/package.json
+++ b/packages/wormhole-portal/package.json
@@ -18,7 +18,7 @@
     "@acala-network/api": "^5",
     "@acala-network/eth-providers": "~2.7.3",
     "@polkadot/api": "^10",
-    "ethers": "~5.7.0"
+    "ethers": "~6.7.1"
   },
   "dependencies": {
     "@acala-network/api": "^5.1.1",
@@ -30,7 +30,7 @@
     "@improbable-eng/grpc-web-node-http-transport": "^0.15.0",
     "@polkadot/api": "^10.9.1",
     "bn.js": "^5.2.1",
-    "ethers": "~5.7.0"
+    "ethers": "~6.7.1"
   },
   "devDependencies": {
     "@types/bn.js": "^5.1.1",
diff --git a/yarn.lock b/yarn.lock
index a13c4f84..1b891354 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -175,7 +175,7 @@ __metadata:
     "@types/lodash": ^4.14.161
     "@types/lru-cache": ^7.10.10
     axios: ^0.24.0
-    ethers: ~5.7.0
+    ethers: ~6.7.1
     graphql: ^16.3.0
     graphql-request: ^4.1.0
     lodash: ^4.17.20
@@ -186,7 +186,7 @@ __metadata:
     "@acala-network/api": ^5
     "@acala-network/eth-providers": ~2.7.3
     "@polkadot/api": ^10
-    ethers: ~5.7.0
+    ethers: ~6.7.1
   languageName: unknown
   linkType: soft
 
@@ -235,15 +235,22 @@ __metadata:
     "@types/bn.js": ^5.1.1
     "@types/lodash": ^4.14.161
     bn.js: ^5.2.1
-    ethers: ~5.7.0
+    ethers: ~6.7.1
   peerDependencies:
     "@acala-network/api": ^5
     "@acala-network/eth-providers": ~2.7.3
     "@polkadot/api": ^10
-    ethers: ~5.7.0
+    ethers: ~6.7.1
   languageName: unknown
   linkType: soft
 
+"@adraffy/ens-normalize@npm:1.9.2":
+  version: 1.9.2
+  resolution: "@adraffy/ens-normalize@npm:1.9.2"
+  checksum: a9fdeb9e080774c19e4b7f9f60aa5b37cf23fe0e8fe80284bf8221f7396e9f78642bfd39a09a94a4dc3fb8e70f2ac81545204bdcaf222d93f4c4c2ae1f0dca0b
+  languageName: node
+  linkType: hard
+
 "@ampproject/remapping@npm:^2.2.0":
   version: 2.2.1
   resolution: "@ampproject/remapping@npm:2.2.1"
@@ -3000,6 +3007,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@noble/hashes@npm:1.1.2":
+  version: 1.1.2
+  resolution: "@noble/hashes@npm:1.1.2"
+  checksum: 3c2a8cb7c2e053811032f242155d870c5eb98844d924d69702244d48804cb03b42d4a666c49c2b71164420d8229cb9a6f242b972d50d5bb2f1d673b98b041de2
+  languageName: node
+  linkType: hard
+
 "@noble/hashes@npm:1.3.1, @noble/hashes@npm:^1.2.0, @noble/hashes@npm:^1.3.0":
   version: 1.3.1
   resolution: "@noble/hashes@npm:1.3.1"
@@ -3007,6 +3021,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@noble/secp256k1@npm:1.7.1":
+  version: 1.7.1
+  resolution: "@noble/secp256k1@npm:1.7.1"
+  checksum: d2301f1f7690368d8409a3152450458f27e54df47e3f917292de3de82c298770890c2de7c967d237eff9c95b70af485389a9695f73eb05a43e2bd562d18b18cb
+  languageName: node
+  linkType: hard
+
 "@nodelib/fs.scandir@npm:2.1.5":
   version: 2.1.5
   resolution: "@nodelib/fs.scandir@npm:2.1.5"
@@ -4211,6 +4232,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@types/node@npm:18.15.13":
+  version: 18.15.13
+  resolution: "@types/node@npm:18.15.13"
+  checksum: 79cc5a2b5f98e8973061a4260a781425efd39161a0e117a69cd089603964816c1a14025e1387b4590c8e82d05133b7b4154fa53a7dffb3877890a66145e76515
+  languageName: node
+  linkType: hard
+
 "@types/node@npm:^12.12.54":
   version: 12.20.55
   resolution: "@types/node@npm:12.20.55"
@@ -4545,6 +4573,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"aes-js@npm:4.0.0-beta.5":
+  version: 4.0.0-beta.5
+  resolution: "aes-js@npm:4.0.0-beta.5"
+  checksum: cc2ea969d77df939c32057f7e361b6530aa6cb93cb10617a17a45cd164e6d761002f031ff6330af3e67e58b1f0a3a8fd0b63a720afd591a653b02f649470e15b
+  languageName: node
+  linkType: hard
+
 "agent-base@npm:6, agent-base@npm:^6.0.2":
   version: 6.0.2
   resolution: "agent-base@npm:6.0.2"
@@ -7115,6 +7150,21 @@ __metadata:
   languageName: node
   linkType: hard
 
+"ethers@npm:~6.7.1":
+  version: 6.7.1
+  resolution: "ethers@npm:6.7.1"
+  dependencies:
+    "@adraffy/ens-normalize": 1.9.2
+    "@noble/hashes": 1.1.2
+    "@noble/secp256k1": 1.7.1
+    "@types/node": 18.15.13
+    aes-js: 4.0.0-beta.5
+    tslib: 2.4.0
+    ws: 8.5.0
+  checksum: 07833692e3f53b18e28c4cba9f53f3d5ebff8360de02ad57b2584c00c52b88f5b790373f9b9f6b4f6b52ffa2074530a6101192b30c3260f7cdeff929d34bb88b
+  languageName: node
+  linkType: hard
+
 "event-emitter@npm:^0.3.5":
   version: 0.3.5
   resolution: "event-emitter@npm:0.3.5"
@@ -13063,6 +13113,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"tslib@npm:2.4.0":
+  version: 2.4.0
+  resolution: "tslib@npm:2.4.0"
+  checksum: 8c4aa6a3c5a754bf76aefc38026134180c053b7bd2f81338cb5e5ebf96fefa0f417bff221592bf801077f5bf990562f6264fecbc42cd3309b33872cb6fc3b113
+  languageName: node
+  linkType: hard
+
 "tslib@npm:^1.8.1":
   version: 1.14.1
   resolution: "tslib@npm:1.14.1"
@@ -13885,6 +13942,21 @@ __metadata:
   languageName: node
   linkType: hard
 
+"ws@npm:8.5.0":
+  version: 8.5.0
+  resolution: "ws@npm:8.5.0"
+  peerDependencies:
+    bufferutil: ^4.0.1
+    utf-8-validate: ^5.0.2
+  peerDependenciesMeta:
+    bufferutil:
+      optional: true
+    utf-8-validate:
+      optional: true
+  checksum: 76f2f90e40344bf18fd544194e7067812fb1372b2a37865678d8f12afe4b478ff2ebc0c7c0aff82cd5e6b66fc43d889eec0f1865c2365d8f7a66d92da7744a77
+  languageName: node
+  linkType: hard
+
 "ws@npm:^7.4.5, ws@npm:^7.4.6, ws@npm:^7.5.9":
   version: 7.5.9
   resolution: "ws@npm:7.5.9"