diff --git a/lib/mapper/filters.js b/lib/mapper/filters.js
index e44bfa7..fd32141 100644
--- a/lib/mapper/filters.js
+++ b/lib/mapper/filters.js
@@ -66,6 +66,7 @@ function getCompareOperator(value) {
     else if (value.startsWith('gt')) return {'$gt': treatValue(value.slice(3))}
     else if (value.startsWith('lte')) return {'$lte': treatValue(value.slice(4))}
     else if (value.startsWith('lt')) return {'$lt': treatValue(value.slice(3))}
+    else if (value.startsWith('ne')) return {'$ne': treatValue(value.slice(3))}
     return value
 }
 
diff --git a/package.json b/package.json
index 1303e33..308473e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "query-strings-parser",
-  "version": "2.1.7",
+  "version": "2.1.8",
   "description": "Middleware to transform query strings in a format that is recognized by the MongoDB, MySQL and other databases...",
   "license": "MIT",
   "main": "index.js",
@@ -20,7 +20,8 @@
   },
   "author": "Lucas Rocha <lucas.rocha@nutes.uepb.edu.br>",
   "contributors": [
-    "Douglas Rafael <douglas.rafael@nutes.uepb.edu.br>"
+    "Douglas Rafael <douglas.rafael@nutes.uepb.edu.br>",
+    "Jefferson Sampaio <jefferson.medeiros@nutes.uepb.edu.br>"
   ],
   "keywords": [
     "middleware",
@@ -42,10 +43,10 @@
   },
   "dependencies": {},
   "devDependencies": {
-    "chai": "^4.2.0",
+    "chai": "^4.3.4",
     "express": "^4.17.1",
-    "mocha": "^8.1.3",
+    "mocha": "^9.0.3",
     "nyc": "^15.1.0",
-    "supertest": "^4.0.2"
+    "supertest": "^6.1.4"
   }
 }
diff --git a/test/integration/index.default.config.spec.js b/test/integration/index.default.config.spec.js
index 86fabfc..8283b76 100644
--- a/test/integration/index.default.config.spec.js
+++ b/test/integration/index.default.config.spec.js
@@ -181,6 +181,29 @@ describe('queryFilter()', function () {
                         validate(res.body, options)
                     })
             })
+
+            it('should return req.query with set field params (with $ne filter)', function () {
+                const expect_filters = {
+                    name: 'lucas',
+                    age: {$gt: 30},
+                    type: {$ne: 'admin'},
+                    timestamp: {$gt: '2018-12-05T00:00:00'},
+                    created_at: {$lte: '2018-12-06T00:00:00'},
+                    sleep_hour: '22:40'
+                }
+
+
+                const options = JSON.parse(JSON.stringify(default_options))
+                options.default.filters = expect_filters
+
+                const query = '?name=lucas&age=gt:30&type=ne:admin&timestamp=gt:2018-12-05&created_at=lte:2018-12-06&sleep_hour=22:40'
+
+                return request(app)
+                    .get(query)
+                    .then(res => {
+                        validate(res.body, options)
+                    })
+            })
         })
 
         context('when query contains date filters param', function () {