diff --git a/js/package.json b/js/package.json
index c2b7bc9..1ea9653 100644
--- a/js/package.json
+++ b/js/package.json
@@ -13,7 +13,7 @@
         "prettier": "3.0.3",
         "ts-node": "^10.9.1",
         "typescript": "^5.1.6",
-        "zksync-ethers": "6.2.0"
+        "zksync-ethers": "6.3.0"
     },
     "peerDependencies": {
         "ethers": "^6.7.1"
diff --git a/js/src/03_transfer_paymaster.ts b/js/src/03_transfer_paymaster.ts
index 2a89ed6..5fc1348 100644
--- a/js/src/03_transfer_paymaster.ts
+++ b/js/src/03_transfer_paymaster.ts
@@ -23,7 +23,7 @@ async function main() {
     const tx = await wallet.transfer({
         to: receiver,
         amount: ethers.parseEther("0.01"),
-        paymasterParamas: utils.getPaymasterParams(paymasterAddress, {
+        paymasterParams: utils.getPaymasterParams(paymasterAddress, {
             type: "ApprovalBased",
             token: tokenAddress,
             minimalAllowance: 1,
diff --git a/js/src/05_withdraw_paymaster.ts b/js/src/05_withdraw_paymaster.ts
index 970d949..9c50612 100644
--- a/js/src/05_withdraw_paymaster.ts
+++ b/js/src/05_withdraw_paymaster.ts
@@ -22,7 +22,7 @@ async function main() {
         token: utils.ETH_ADDRESS,
         to: await wallet.getAddress(),
         amount: ethers.parseEther("0.00020"),
-        paymasterParamas: utils.getPaymasterParams(paymasterAddress, {
+        paymasterParams: utils.getPaymasterParams(paymasterAddress, {
             type: "ApprovalBased",
             token: tokenAddress,
             minimalAllowance: 1,
diff --git a/js/src/09_transfer_token_paymaster.ts b/js/src/09_transfer_token_paymaster.ts
index dfdafa4..459b192 100644
--- a/js/src/09_transfer_token_paymaster.ts
+++ b/js/src/09_transfer_token_paymaster.ts
@@ -27,7 +27,7 @@ async function main() {
         token: token,
         to: receiver,
         amount: 5,
-        paymasterParamas: utils.getPaymasterParams(paymasterAddress, {
+        paymasterParams: utils.getPaymasterParams(paymasterAddress, {
             type: "ApprovalBased",
             token: tokenAddress,
             minimalAllowance: 1,
diff --git a/js/src/11_withdraw_token_paymaster.ts b/js/src/11_withdraw_token_paymaster.ts
index 440d384..10ab2b0 100644
--- a/js/src/11_withdraw_token_paymaster.ts
+++ b/js/src/11_withdraw_token_paymaster.ts
@@ -24,7 +24,7 @@ async function main() {
         token: token,
         to: await wallet.getAddress(),
         amount: 5,
-        paymasterParamas: utils.getPaymasterParams(paymasterAddress, {
+        paymasterParams: utils.getPaymasterParams(paymasterAddress, {
             type: "ApprovalBased",
             token: tokenAddress,
             minimalAllowance: 1,
diff --git a/js/yarn.lock b/js/yarn.lock
index 267127f..3af0b56 100644
--- a/js/yarn.lock
+++ b/js/yarn.lock
@@ -972,7 +972,7 @@ yocto-queue@^0.1.0:
   resolved "https://registry.yarnpkg.com/yocto-queue/-/yocto-queue-0.1.0.tgz#0294eb3dee05028d31ee1a5fa2c556a6aaf10a1b"
   integrity sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==
 
-zksync-ethers@6.2.0:
-  version "6.2.0"
-  resolved "https://registry.yarnpkg.com/zksync-ethers/-/zksync-ethers-6.2.0.tgz#4e75292674133a9066dc6622658deea52c3e777b"
-  integrity sha512-sM65Wo3E4SzyoMPc2gQWv9kVqlaWBfKxBlREk8Ag4gbY10BS9ON1QEosHtcAT542s4NQjypA9qE8QyQ3oKfp3Q==
+zksync-ethers@6.3.0:
+  version "6.3.0"
+  resolved "https://registry.yarnpkg.com/zksync-ethers/-/zksync-ethers-6.3.0.tgz#604c57250974ccad121510a2c84c1dd8b990722f"
+  integrity sha512-ApQIJSFevxFNVQTO1MxkmXxmx9N0qZHNvMzjFvu5v40QPFGkpUt09pY/WHy3b5BlsXzybQ3q2YnHaz/c/TgilA==