diff --git a/packages/parse/package.json b/packages/parse/package.json
index e011b07f..12cc9d71 100644
--- a/packages/parse/package.json
+++ b/packages/parse/package.json
@@ -39,14 +39,12 @@
     },
     "dependencies": {
         "lodash.escaperegexp": "^4.1.2",
-        "lodash.groupby": "^4.6.0",
-        "lodash.uniq": "^4.5.0"
+        "lodash.groupby": "^4.6.0"
     },
     "devDependencies": {
         "@types/lodash.escaperegexp": "4.1.9",
         "@types/lodash.groupby": "4.6.9",
         "@types/lodash.partition": "4.6.9",
-        "@types/lodash.uniq": "4.5.9",
         "@types/node": "24.12.3",
         "@types/sinon": "21.0.1",
         "lodash.partition": "^4.6.0",
diff --git a/packages/parse/src/transforms/HeaderTransformer.ts b/packages/parse/src/transforms/HeaderTransformer.ts
index e3acc77e..3f66fd95 100644
--- a/packages/parse/src/transforms/HeaderTransformer.ts
+++ b/packages/parse/src/transforms/HeaderTransformer.ts
@@ -1,4 +1,3 @@
-import uniq from 'lodash.uniq';
 import groupBy from 'lodash.groupby';
 import { ParserOptions } from '../ParserOptions';
 import {
@@ -116,7 +115,7 @@ export class HeaderTransformer<O extends Row> {
         const filteredHeaders = headers.filter((h) => {
             return !!h;
         });
-        if (uniq(filteredHeaders).length !== filteredHeaders.length) {
+        if (new Set(filteredHeaders).size !== filteredHeaders.length) {
             const grouped = groupBy(filteredHeaders);
             const duplicates = Object.keys(grouped).filter((dup) => {
                 return grouped[dup].length > 1;