diff --git a/package-lock.json b/package-lock.json
index 076e872..505e4f8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "wretch",
-  "version": "2.8.0",
+  "version": "2.8.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "wretch",
-      "version": "2.8.0",
+      "version": "2.8.1",
       "license": "MIT",
       "devDependencies": {
         "@fastify/basic-auth": "^5.1.0",
diff --git a/src/addons/queryString.ts b/src/addons/queryString.ts
index d659f26..3a419f7 100644
--- a/src/addons/queryString.ts
+++ b/src/addons/queryString.ts
@@ -4,7 +4,7 @@ function stringify(value?: string | null): string | null {
   return typeof value !== "undefined" ? value : ""
 }
 
-const appendQueryParams = (url: string, qp: object | string, replace: boolean, config: Config) => {
+const appendQueryParams = (url: string, qp: object | string, replace: boolean, omitUndefinedOrNullValues: boolean, config: Config) => {
   let queryString: string
 
   if (typeof qp === "string") {
@@ -13,6 +13,7 @@ const appendQueryParams = (url: string, qp: object | string, replace: boolean, c
     const usp = config.polyfill("URLSearchParams", true, true)
     for (const key in qp) {
       const value = qp[key]
+      if (omitUndefinedOrNullValues && (value === null || value === undefined)) continue
       if (qp[key] instanceof Array) {
         for (const val of value)
           usp.append(key, stringify(val))
@@ -40,6 +41,7 @@ export interface QueryStringAddon {
    * to the current url. String values are used as the query string verbatim.
    *
    * Pass `true` as the second argument to replace existing query parameters.
+   * Pass `true` as the third argument to completely omit the key=value pair for undefined or null values.
    *
    * ```
    * import QueryAddon from "wretch/addons/queryString"
@@ -84,7 +86,7 @@ export interface QueryStringAddon {
    *
    * @param qp - An object which will be converted, or a string which will be used verbatim.
    */
-  query<T extends QueryStringAddon, C, R>(this: T & Wretch<T, C, R>, qp: object | string, replace?: boolean): this
+  query<T extends QueryStringAddon, C, R>(this: T & Wretch<T, C, R>, qp: object | string, replace?: boolean, omitUndefinedOrNullValues?: boolean): this
 }
 
 /**
@@ -98,8 +100,8 @@ export interface QueryStringAddon {
  */
 const queryString: WretchAddon<QueryStringAddon> = {
   wretch: {
-    query(qp, replace = false) {
-      return { ...this, _url: appendQueryParams(this._url, qp, replace, this._config) }
+    query(qp, replace = false, omitUndefinedOrNullValues = false) {
+      return { ...this, _url: appendQueryParams(this._url, qp, replace, omitUndefinedOrNullValues, this._config) }
     }
   }
 }
diff --git a/test/node/wretch.spec.ts b/test/node/wretch.spec.ts
index ff11b8e..983ba50 100644
--- a/test/node/wretch.spec.ts
+++ b/test/node/wretch.spec.ts
@@ -708,9 +708,10 @@ describe("Wretch", function () {
     expect(w.query({ a: 1 }).query({}, true)._url).toBe(_URL)
   })
 
-  it("should strip undefined values", function () {
+  it("should strip or omit undefined/null values", function () {
     const w = wretch(_URL).addon(QueryStringAddon)
     expect(w.query({ a: undefined, b: 1 })._url).toBe(_URL + "?a=&b=1")
+    expect(w.query({ a: undefined, b: 1, c: null }, false, true)._url).toBe(_URL + "?b=1")
     expect(w.query({ array: ["a", "b", undefined, "c"] })._url).toBe(_URL + "?array=a&array=b&array=&array=c")
   })
 })