diff --git a/lib/api.js b/lib/api.js
index b9569eef..b7e9ec8f 100644
--- a/lib/api.js
+++ b/lib/api.js
@@ -261,9 +261,9 @@ exports.delete_related_assets_by_asset_id = (assetId, assetsToUnrelate, callback
 exports.delete_derived_resources = function delete_derived_resources(derived_resource_ids, callback, options = {}) {
   let uri;
   uri = ["derived_resources"];
-  return call_api("delete", uri, {
+  return call_api("delete", uri, extend({
     "derived_resource_ids[]": derived_resource_ids
-  }, callback, options);
+  }, pickOnlyExistingValues(options, "invalidate")), callback, options);
 };
 
 exports.delete_derived_by_transformation = function delete_derived_by_transformation(
diff --git a/test/unit/api_delete_derived_resources_spec.js b/test/unit/api_delete_derived_resources_spec.js
new file mode 100644
index 00000000..ff04387d
--- /dev/null
+++ b/test/unit/api_delete_derived_resources_spec.js
@@ -0,0 +1,88 @@
+const expect = require('expect.js');
+const sinon = require('sinon');
+const https = require('https');
+const querystring = require('querystring');
+const { EventEmitter } = require('events');
+const cloudinary = require('../../lib/cloudinary');
+const createTestConfig = require('../testUtils/createTestConfig');
+
+describe('api.delete_derived_resources', function () {
+  let requestStub;
+  let writtenBody;
+
+  beforeEach(function () {
+    cloudinary.config(createTestConfig());
+    writtenBody = '';
+
+    // Replace https.request so no network call is made; capture the request body instead
+    requestStub = sinon.stub(https, 'request').callsFake(function (options, callback) {
+      const mockResponse = new EventEmitter();
+      mockResponse.statusCode = 200;
+      mockResponse.headers = {};
+
+      const mockRequest = new EventEmitter();
+      mockRequest.setTimeout = sinon.stub();
+      mockRequest.write = function (chunk) {
+        writtenBody += chunk;
+      };
+      mockRequest.end = function () {
+        setTimeout(() => {
+          callback(mockResponse);
+          mockResponse.emit('data', JSON.stringify({ deleted: {} }));
+          mockResponse.emit('end');
+        }, 0);
+      };
+
+      return mockRequest;
+    });
+  });
+
+  afterEach(function () {
+    requestStub.restore();
+  });
+
+  it('sends a DELETE request to the derived_resources endpoint', async function () {
+    await cloudinary.v2.api.delete_derived_resources(['derived-1']);
+
+    sinon.assert.calledOnce(requestStub);
+    const requestOptions = requestStub.firstCall.args[0];
+    expect(requestOptions.method).to.be('DELETE');
+    expect(requestOptions.pathname).to.match(/\/derived_resources$/);
+  });
+
+  it('sends derived_resource_ids[] in the request body', async function () {
+    await cloudinary.v2.api.delete_derived_resources(['derived-1', 'derived-2']);
+
+    const body = querystring.parse(writtenBody);
+    expect(body['derived_resource_ids[]']).to.eql(['derived-1', 'derived-2']);
+  });
+
+  it('sends invalidate=true in the request body when passed in options', async function () {
+    await cloudinary.v2.api.delete_derived_resources(['derived-1', 'derived-2'], { invalidate: true });
+
+    const body = querystring.parse(writtenBody);
+    expect(body.invalidate).to.be('true');
+    expect(body['derived_resource_ids[]']).to.eql(['derived-1', 'derived-2']);
+  });
+
+  it('sends invalidate=false in the request body when explicitly set to false', async function () {
+    await cloudinary.v2.api.delete_derived_resources(['derived-1'], { invalidate: false });
+
+    const body = querystring.parse(writtenBody);
+    expect(body.invalidate).to.be('false');
+  });
+
+  it('does not send invalidate when it is not passed', async function () {
+    await cloudinary.v2.api.delete_derived_resources(['derived-1']);
+
+    const body = querystring.parse(writtenBody);
+    expect(body).not.to.have.key('invalidate');
+  });
+
+  it('does not send SDK configuration options such as timeout in the request body', async function () {
+    await cloudinary.v2.api.delete_derived_resources(['derived-1'], { invalidate: true, timeout: 5000 });
+
+    const body = querystring.parse(writtenBody);
+    expect(body).not.to.have.key('timeout');
+  });
+});
diff --git a/types/cloudinary_ts_spec.ts b/types/cloudinary_ts_spec.ts
index 59826c74..6c103301 100644
--- a/types/cloudinary_ts_spec.ts
+++ b/types/cloudinary_ts_spec.ts
@@ -259,6 +259,12 @@ cloudinary.v2.api.delete_derived_resources(['image1', 'image2'], {keep_original:
         console.log(err);
     });
 
+// $ExpectType Promise<any>
+cloudinary.v2.api.delete_derived_resources(['image1', 'image2'], {invalidate: true},
+    function (err, res) {
+        console.log(err);
+    });
+
 // $ExpectType Promise<any>
 cloudinary.v2.api.delete_resources_by_prefix('sunday',
     function (error, result) {