diff --git a/x-pack/test/api_integration/apis/ml/data_frame_analytics/index.ts b/x-pack/test/api_integration/apis/ml/data_frame_analytics/index.ts
index 6693561076fdd..99549be8c1868 100644
--- a/x-pack/test/api_integration/apis/ml/data_frame_analytics/index.ts
+++ b/x-pack/test/api_integration/apis/ml/data_frame_analytics/index.ts
@@ -10,5 +10,6 @@ export default function ({ loadTestFile }: FtrProviderContext) {
   describe('data frame analytics', function () {
     loadTestFile(require.resolve('./get'));
     loadTestFile(require.resolve('./delete'));
+    loadTestFile(require.resolve('./update'));
   });
 }
diff --git a/x-pack/test/api_integration/apis/ml/data_frame_analytics/update.ts b/x-pack/test/api_integration/apis/ml/data_frame_analytics/update.ts
new file mode 100644
index 0000000000000..5dc781657619d
--- /dev/null
+++ b/x-pack/test/api_integration/apis/ml/data_frame_analytics/update.ts
@@ -0,0 +1,275 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+
+import expect from '@kbn/expect';
+import { FtrProviderContext } from '../../../ftr_provider_context';
+import { USER } from '../../../../functional/services/ml/security_common';
+import { DataFrameAnalyticsConfig } from '../../../../../plugins/ml/public/application/data_frame_analytics/common';
+import { DeepPartial } from '../../../../../plugins/ml/common/types/common';
+import { COMMON_REQUEST_HEADERS } from '../../../../functional/services/ml/common';
+
+export default ({ getService }: FtrProviderContext) => {
+  const esArchiver = getService('esArchiver');
+  const supertest = getService('supertestWithoutAuth');
+  const ml = getService('ml');
+
+  const jobId = `bm_${Date.now()}`;
+  const generateDestinationIndex = (analyticsId: string) => `user-${analyticsId}`;
+  const commonJobConfig = {
+    source: {
+      index: ['ft_bank_marketing'],
+      query: {
+        match_all: {},
+      },
+    },
+    analysis: {
+      classification: {
+        dependent_variable: 'y',
+        training_percent: 20,
+      },
+    },
+    analyzed_fields: {
+      includes: [],
+      excludes: [],
+    },
+    model_memory_limit: '60mb',
+    allow_lazy_start: false, // default value
+    max_num_threads: 1, // default value
+  };
+
+  const testJobConfigs: Array<DeepPartial<DataFrameAnalyticsConfig>> = [
+    'Test update job',
+    'Test update job description only',
+    'Test update job allow_lazy_start only',
+    'Test update job model_memory_limit only',
+    'Test update job max_num_threads only',
+  ].map((description, idx) => {
+    const analyticsId = `${jobId}_${idx}`;
+    return {
+      id: analyticsId,
+      description,
+      dest: {
+        index: generateDestinationIndex(analyticsId),
+        results_field: 'ml',
+      },
+      ...commonJobConfig,
+    };
+  });
+
+  const editedDescription = 'Edited description';
+
+  async function createJobs(mockJobConfigs: Array<DeepPartial<DataFrameAnalyticsConfig>>) {
+    for (const jobConfig of mockJobConfigs) {
+      await ml.api.createDataFrameAnalyticsJob(jobConfig as DataFrameAnalyticsConfig);
+    }
+  }
+
+  async function getDFAJob(id: string) {
+    const { body } = await supertest
+      .get(`/api/ml/data_frame/analytics/${id}`)
+      .auth(USER.ML_VIEWER, ml.securityCommon.getPasswordForUser(USER.ML_VIEWER))
+      .set(COMMON_REQUEST_HEADERS);
+
+    return body.data_frame_analytics[0];
+  }
+
+  describe('UPDATE data_frame/analytics', () => {
+    before(async () => {
+      await esArchiver.loadIfNeeded('ml/bm_classification');
+      await ml.testResources.setKibanaTimeZoneToUTC();
+      await createJobs(testJobConfigs);
+    });
+
+    after(async () => {
+      await ml.api.cleanMlIndices();
+    });
+
+    describe('UpdateDataFrameAnalytics', () => {
+      it('should update all editable fields of analytics job for specified id', async () => {
+        const analyticsId = `${jobId}_0`;
+
+        const requestBody = {
+          description: editedDescription,
+          model_memory_limit: '61mb',
+          allow_lazy_start: true,
+          max_num_threads: 2,
+        };
+
+        const { body } = await supertest
+          .post(`/api/ml/data_frame/analytics/${analyticsId}/_update`)
+          .auth(USER.ML_POWERUSER, ml.securityCommon.getPasswordForUser(USER.ML_POWERUSER))
+          .set(COMMON_REQUEST_HEADERS)
+          .send(requestBody)
+          .expect(200);
+
+        expect(body).not.to.be(undefined);
+
+        const fetchedJob = await getDFAJob(analyticsId);
+
+        expect(fetchedJob.description).to.eql(requestBody.description);
+        expect(fetchedJob.allow_lazy_start).to.eql(requestBody.allow_lazy_start);
+        expect(fetchedJob.model_memory_limit).to.eql(requestBody.model_memory_limit);
+        expect(fetchedJob.max_num_threads).to.eql(requestBody.max_num_threads);
+      });
+
+      it('should only update description field of analytics job when description is sent in request', async () => {
+        const analyticsId = `${jobId}_1`;
+
+        const requestBody = {
+          description: 'Edited description for job 1',
+        };
+
+        const { body } = await supertest
+          .post(`/api/ml/data_frame/analytics/${analyticsId}/_update`)
+          .auth(USER.ML_POWERUSER, ml.securityCommon.getPasswordForUser(USER.ML_POWERUSER))
+          .set(COMMON_REQUEST_HEADERS)
+          .send(requestBody)
+          .expect(200);
+
+        expect(body).not.to.be(undefined);
+
+        const fetchedJob = await getDFAJob(analyticsId);
+
+        expect(fetchedJob.description).to.eql(requestBody.description);
+        expect(fetchedJob.allow_lazy_start).to.eql(commonJobConfig.allow_lazy_start);
+        expect(fetchedJob.model_memory_limit).to.eql(commonJobConfig.model_memory_limit);
+        expect(fetchedJob.max_num_threads).to.eql(commonJobConfig.max_num_threads);
+      });
+
+      it('should only update allow_lazy_start field of analytics job when allow_lazy_start is sent in request', async () => {
+        const analyticsId = `${jobId}_2`;
+
+        const requestBody = {
+          allow_lazy_start: true,
+        };
+
+        const { body } = await supertest
+          .post(`/api/ml/data_frame/analytics/${analyticsId}/_update`)
+          .auth(USER.ML_POWERUSER, ml.securityCommon.getPasswordForUser(USER.ML_POWERUSER))
+          .set(COMMON_REQUEST_HEADERS)
+          .send(requestBody)
+          .expect(200);
+
+        expect(body).not.to.be(undefined);
+
+        const fetchedJob = await getDFAJob(analyticsId);
+
+        expect(fetchedJob.allow_lazy_start).to.eql(requestBody.allow_lazy_start);
+        expect(fetchedJob.description).to.eql(testJobConfigs[2].description);
+        expect(fetchedJob.model_memory_limit).to.eql(commonJobConfig.model_memory_limit);
+        expect(fetchedJob.max_num_threads).to.eql(commonJobConfig.max_num_threads);
+      });
+
+      it('should only update model_memory_limit field of analytics job when model_memory_limit is sent in request', async () => {
+        const analyticsId = `${jobId}_3`;
+
+        const requestBody = {
+          model_memory_limit: '61mb',
+        };
+
+        const { body } = await supertest
+          .post(`/api/ml/data_frame/analytics/${analyticsId}/_update`)
+          .auth(USER.ML_POWERUSER, ml.securityCommon.getPasswordForUser(USER.ML_POWERUSER))
+          .set(COMMON_REQUEST_HEADERS)
+          .send(requestBody)
+          .expect(200);
+
+        expect(body).not.to.be(undefined);
+
+        const fetchedJob = await getDFAJob(analyticsId);
+
+        expect(fetchedJob.model_memory_limit).to.eql(requestBody.model_memory_limit);
+        expect(fetchedJob.allow_lazy_start).to.eql(commonJobConfig.allow_lazy_start);
+        expect(fetchedJob.description).to.eql(testJobConfigs[3].description);
+        expect(fetchedJob.max_num_threads).to.eql(commonJobConfig.max_num_threads);
+      });
+
+      it('should only update max_num_threads field of analytics job when max_num_threads is sent in request', async () => {
+        const analyticsId = `${jobId}_4`;
+
+        const requestBody = {
+          max_num_threads: 2,
+        };
+
+        const { body } = await supertest
+          .post(`/api/ml/data_frame/analytics/${analyticsId}/_update`)
+          .auth(USER.ML_POWERUSER, ml.securityCommon.getPasswordForUser(USER.ML_POWERUSER))
+          .set(COMMON_REQUEST_HEADERS)
+          .send(requestBody)
+          .expect(200);
+
+        expect(body).not.to.be(undefined);
+
+        const fetchedJob = await getDFAJob(analyticsId);
+
+        expect(fetchedJob.max_num_threads).to.eql(requestBody.max_num_threads);
+        expect(fetchedJob.model_memory_limit).to.eql(commonJobConfig.model_memory_limit);
+        expect(fetchedJob.allow_lazy_start).to.eql(commonJobConfig.allow_lazy_start);
+        expect(fetchedJob.description).to.eql(testJobConfigs[4].description);
+      });
+
+      it('should not allow to update analytics job for unauthorized user', async () => {
+        const analyticsId = `${jobId}_0`;
+        const requestBody = {
+          description: 'Unauthorized',
+        };
+
+        const { body } = await supertest
+          .post(`/api/ml/data_frame/analytics/${analyticsId}/_update`)
+          .auth(USER.ML_UNAUTHORIZED, ml.securityCommon.getPasswordForUser(USER.ML_UNAUTHORIZED))
+          .set(COMMON_REQUEST_HEADERS)
+          .send(requestBody)
+          .expect(404);
+
+        expect(body.error).to.eql('Not Found');
+        expect(body.message).to.eql('Not Found');
+
+        const fetchedJob = await getDFAJob(analyticsId);
+        // Description should not have changed
+        expect(fetchedJob.description).to.eql(editedDescription);
+      });
+
+      it('should not allow to update analytics job for the user with only view permission', async () => {
+        const analyticsId = `${jobId}_0`;
+        const requestBody = {
+          description: 'View only',
+        };
+
+        const { body } = await supertest
+          .post(`/api/ml/data_frame/analytics/${analyticsId}/_update`)
+          .auth(USER.ML_VIEWER, ml.securityCommon.getPasswordForUser(USER.ML_VIEWER))
+          .set(COMMON_REQUEST_HEADERS)
+          .send(requestBody)
+          .expect(404);
+
+        expect(body.error).to.eql('Not Found');
+        expect(body.message).to.eql('Not Found');
+
+        const fetchedJob = await getDFAJob(analyticsId);
+        // Description should not have changed
+        expect(fetchedJob.description).to.eql(editedDescription);
+      });
+
+      it('should show 404 error if job does not exist', async () => {
+        const requestBody = {
+          description: 'Not found',
+        };
+        const id = `${jobId}_invalid`;
+        const message = `[resource_not_found_exception] No known data frame analytics with id [${id}]`;
+
+        const { body } = await supertest
+          .post(`/api/ml/data_frame/analytics/${id}/_update`)
+          .auth(USER.ML_POWERUSER, ml.securityCommon.getPasswordForUser(USER.ML_POWERUSER))
+          .set(COMMON_REQUEST_HEADERS)
+          .send(requestBody)
+          .expect(404);
+
+        expect(body.error).to.eql('Not Found');
+        expect(body.message).to.eql(message);
+      });
+    });
+  });
+};