diff --git a/package-lock.json b/package-lock.json
index eae325c93..cbc815e4e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,7 +16,7 @@
         "@bosonprotocol/common": "1.32.2",
         "@bosonprotocol/solidoc": "3.0.3",
         "@eslint/eslintrc": "^3.3.5",
-        "@eslint/js": "^9.30.1",
+        "@eslint/js": "^10.0.1",
         "@nomicfoundation/hardhat-ethers": "3.1.3",
         "@nomicfoundation/hardhat-network-helpers": "1.1.2",
         "@nomicfoundation/hardhat-toolbox": "6.0.0",
@@ -905,15 +905,24 @@
       }
     },
     "node_modules/@eslint/js": {
-      "version": "9.30.1",
-      "resolved": "https://registry.npmjs.org/@eslint/js/-/js-9.30.1.tgz",
-      "integrity": "sha512-zXhuECFlyep42KZUhWjfvsmXGX39W8K8LFb8AWXM9gSV9dQB+MrJGLKvW6Zw0Ggnbpw0VHTtrhFXYe3Gym18jg==",
+      "version": "10.0.1",
+      "resolved": "https://registry.npmjs.org/@eslint/js/-/js-10.0.1.tgz",
+      "integrity": "sha512-zeR9k5pd4gxjZ0abRoIaxdc7I3nDktoXZk2qOv9gCNWx3mVwEn32VRhyLaRsDiJjTs0xq/T8mfPtyuXu7GWBcA==",
       "dev": true,
+      "license": "MIT",
       "engines": {
-        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+        "node": "^20.19.0 || ^22.13.0 || >=24"
       },
       "funding": {
         "url": "https://eslint.org/donate"
+      },
+      "peerDependencies": {
+        "eslint": "^10.0.0"
+      },
+      "peerDependenciesMeta": {
+        "eslint": {
+          "optional": true
+        }
       }
     },
     "node_modules/@eslint/object-schema": {
diff --git a/package.json b/package.json
index d6edc1479..0ade5983a 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "@bosonprotocol/common": "1.32.2",
     "@bosonprotocol/solidoc": "3.0.3",
     "@eslint/eslintrc": "^3.3.5",
-    "@eslint/js": "^9.30.1",
+    "@eslint/js": "^10.0.1",
     "@nomicfoundation/hardhat-ethers": "3.1.3",
     "@nomicfoundation/hardhat-network-helpers": "1.1.2",
     "@nomicfoundation/hardhat-toolbox": "6.0.0",
diff --git a/scripts/util/dry-run.js b/scripts/util/dry-run.js
index 2dbe67a03..b8d740958 100644
--- a/scripts/util/dry-run.js
+++ b/scripts/util/dry-run.js
@@ -8,13 +8,11 @@ const environments = require("../../environments");
 
 async function setupDryRun(env) {
   let forkedChainId;
-  let forkedEnv = env;
+  const forkedEnv = env;
 
   console.warn("This is a dry run. No actual upgrade will be performed");
   ({ chainId: forkedChainId } = await ethers.provider.getNetwork());
 
-  forkedEnv = env;
-
   let deployerBalance = await getBalance();
   // const blockNumber = await ethers.provider.getBlockNumber();
 
diff --git a/scripts/util/estimate-limits.js b/scripts/util/estimate-limits.js
index 3da31051c..78a7f4fd3 100644
--- a/scripts/util/estimate-limits.js
+++ b/scripts/util/estimate-limits.js
@@ -59,6 +59,7 @@ let protocolDiamond,
   groupHandler,
   offerHandler,
   twinHandler;
+// eslint-disable-next-line no-unassigned-vars
 let bosonVoucher;
 let protocolFeePercentage, protocolFeeFlatBoson, buyerEscalationDepositPercentage;
 let handlers = {};
diff --git a/scripts/util/validations.js b/scripts/util/validations.js
index 315eeb42f..b8a9e42ee 100644
--- a/scripts/util/validations.js
+++ b/scripts/util/validations.js
@@ -13,7 +13,7 @@ const { MaxUint256 } = ethers;
  * @returns {boolean}
  */
 function bigNumberIsValid(bigNumber, { optional, gt, lte, empty } = {}) {
-  let valid = true;
+  let valid;
 
   if (optional && (bigNumber == undefined || bigNumber == null)) {
     valid = true;
diff --git a/test/protocol/clients/BosonVoucherTest.js b/test/protocol/clients/BosonVoucherTest.js
index 024d09153..37acdd579 100644
--- a/test/protocol/clients/BosonVoucherTest.js
+++ b/test/protocol/clients/BosonVoucherTest.js
@@ -1195,12 +1195,12 @@ describe("IBosonVoucher", function () {
           // Add five more ranges
           // This tests more getPreMintStatus than ownerOf
           // Might even be put into integration tests
-          let previousOfferId = Number(offerId);
+          const previousOfferId = Number(offerId);
           let previousStartId = Number(start);
           let ranges = [new Range(Number(start), length, amount, "0")];
           length = Number(length);
 
-          offerId = ++previousOfferId;
+          offerId = previousOfferId + 1;
 
           while (offerId <= 6) {
             start = previousStartId + length + 100;
diff --git a/test/util/utils.js b/test/util/utils.js
index c73068dcd..8875aad38 100644
--- a/test/util/utils.js
+++ b/test/util/utils.js
@@ -49,7 +49,7 @@ function getEvent(receipt, factory, eventName) {
       } catch (e) {
         if (e.message.includes("no matching event")) continue;
         console.log("event error: ", e);
-        throw new Error(e);
+        throw new Error(e.message, { cause: e });
       }
     }
   }
@@ -61,7 +61,7 @@ function getEvent(receipt, factory, eventName) {
 
 function eventEmittedWithArgs(receipt, factory, eventName, args) {
   let found = false;
-  let match = false;
+  let match;
 
   const eventFragment = factory.interface.fragments.filter((e) => e.name == eventName);
   const iface = new Interface(eventFragment);
@@ -85,7 +85,7 @@ function eventEmittedWithArgs(receipt, factory, eventName, args) {
       } catch (e) {
         if (e.message.includes("no matching event")) continue;
         console.log("event error: ", e);
-        throw new Error(e);
+        throw new Error(e.message, { cause: e });
       }
     }
   }