diff --git a/.eslintrc.yml b/.eslintrc.yml
deleted file mode 100644
index bc57d11..0000000
--- a/.eslintrc.yml
+++ /dev/null
@@ -1 +0,0 @@
-extends: cheminfo-typescript
diff --git a/eslint.config.mjs b/eslint.config.mjs
new file mode 100644
index 0000000..323e6c0
--- /dev/null
+++ b/eslint.config.mjs
@@ -0,0 +1,8 @@
+import cheminfo from 'eslint-config-cheminfo-typescript';
+
+export default [
+  ...cheminfo,
+  {
+    rules: {}
+  }
+]
\ No newline at end of file
diff --git a/package.json b/package.json
index 13084c4..5ab6bd5 100644
--- a/package.json
+++ b/package.json
@@ -36,18 +36,18 @@
   },
   "homepage": "https://github.com/mljs/regression-polynomial#readme",
   "devDependencies": {
-    "@vitest/coverage-v8": "^1.6.0",
-    "eslint": "^8.56.0",
-    "eslint-config-cheminfo-typescript": "^12.4.0",
-    "ml-spectra-processing": "^14.5.0",
-    "prettier": "^3.2.5",
-    "rimraf": "^5.0.7",
-    "typescript": "^5.4.5",
-    "vitest": "^1.6.0"
+    "@vitest/coverage-v8": "^2.1.3",
+    "eslint": "^9.12.0",
+    "eslint-config-cheminfo-typescript": "^16.0.0",
+    "ml-spectra-processing": "^14.6.0",
+    "prettier": "^3.3.3",
+    "rimraf": "^6.0.1",
+    "typescript": "^5.6.3",
+    "vitest": "^2.1.3"
   },
   "dependencies": {
-    "cheminfo-types": "^1.7.3",
-    "ml-matrix": "^6.11.0",
+    "cheminfo-types": "^1.8.0",
+    "ml-matrix": "^6.12.0",
     "ml-regression-base": "^4.0.0"
   }
 }
diff --git a/src/__tests__/test.test.ts b/src/__tests__/test.test.ts
index f1b0a5d..d1f2f53 100644
--- a/src/__tests__/test.test.ts
+++ b/src/__tests__/test.test.ts
@@ -72,7 +72,7 @@ describe('Polynomial regression', () => {
   it('degree 5', () => {
     const x = [50, 50, 50, 70, 70, 70, 80, 80, 80, 90, 90, 90, 100, 100, 100];
     const y = [
-      3.3, 2.8, 2.9, 2.3, 2.6, 2.1, 2.5, 2.9, 2.4, 3.0, 3.1, 2.8, 3.3, 3.5, 3.0,
+      3.3, 2.8, 2.9, 2.3, 2.6, 2.1, 2.5, 2.9, 2.4, 3, 3.1, 2.8, 3.3, 3.5, 3,
     ];
     const degree = 5;
     const regression = new PolynomialRegression(x, y, degree);
diff --git a/src/index.ts b/src/index.ts
index 83714d9..c3b22e6 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -18,10 +18,10 @@ export class PolynomialRegression extends BaseRegression {
    * @param y - dependent or response variable
    * @param degree - degree of the polynomial regression, or array of powers to be used. When degree is an array, intercept at zero is forced to false/ignored.
    * @example `new PolynomialRegression(x, y, 2)`, in this case, you can pass the option `interceptAtZero`, if you need it.
+   * @param options
    * @example `new PolynomialRegression(x, y, [1, 3, 5])`
    * Each of the degrees corresponds to a column, so if you have them switched, just do:
    * @example `new PolynomialRegression(x, y, [3, 1, 5])`
-   *
    * @param options.interceptAtZero - force the polynomial regression so that f(0) = 0
    */
   constructor(
@@ -129,6 +129,7 @@ export class PolynomialRegression extends BaseRegression {
  * @param y - dependent or response variable
  * @param degree - degree of the polynomial regression
  * @param options.interceptAtZero - force the polynomial regression so that $f(0) = 0$
+ * @param options
  */
 function regress(
   x: NumberArray,