diff --git a/__tests__/run.test.ts b/__tests__/run.test.ts
index 339501d2..1abdcdc7 100644
--- a/__tests__/run.test.ts
+++ b/__tests__/run.test.ts
@@ -6,6 +6,8 @@ import * as deployment from '../src/utilities/strategy-helpers/deployment-helper
 import * as fs from 'fs';
 import * as io from '@actions/io';
 import * as toolCache from '@actions/tool-cache';
+import * as fileHelper from '../src/utilities/files-helper';
+import { workflowAnnotations } from '../src/constants';
 
 import { Kubectl, Resource } from '../src/kubectl-object-model';
 
@@ -24,9 +26,29 @@ const stableVersionUrl = 'https://storage.googleapis.com/kubernetes-release/rele
 
 var deploymentYaml = "";
 
+const getAllPodsMock = {
+    'code': 0,
+    'stdout': '{"apiVersion": "v1","items": [{"apiVersion": "v1","kind": "Pod","metadata": {"labels": {"app": "testapp","pod-template-hash": "776cbc86f9"},"name": "testpod-776cbc86f9-pjrb6","namespace": "testnamespace","ownerReferences": [{"apiVersion": "apps/v1","blockOwnerDeletion": true,"controller": true,"kind": "ReplicaSet","name": "testpod-776cbc86f9","uid": "de544628-6589-4354-81fe-05faf00d336a"}],"resourceVersion": "12362496","selfLink": "/api/v1/namespaces/akskodey8187/pods/akskodey-776cbc86f9-pjrb6","uid": "c7d5f4c1-11a1-4884-8a66-09b015c72f69"},"spec": {"containers": [{"image": "imageId","imagePullPolicy": "IfNotPresent","name": "containerName","ports": [{"containerPort": 80,"protocol": "TCP"}]}]},"status": {"hostIP": "10.240.0.4","phase": "Running","podIP": "10.244.0.25","qosClass": "BestEffort","startTime": "2020-06-04T07:59:42Z"}}]}'
+};
+
+const getNamespaceMock = {
+    'code': 0,
+    'stdout': '{"apiVersion": "v1","kind": "Namespace","metadata": {"annotations": {"workflow": ".github/workflows/workflow.yml","runUri": "https://github.com/testRepo/actions/runs/12345"}},"spec": {"finalizers": ["kubernetes"]},"status": {"phase": "Active"}}'
+};
+
+const resources: Resource[] = [{ type: "Deployment", name: "AppName" }];
+
 beforeAll(() => {
     deploymentYaml = fs.readFileSync(path.join(__dirname, 'manifests', 'deployment.yml'), 'utf8');
+
     process.env["KUBECONFIG"] = 'kubeConfig';
+    process.env['GITHUB_RUN_ID'] = '12345';
+    process.env['GITHUB_WORKFLOW'] = '.github/workflows/workflow.yml';
+    process.env['GITHUB_JOB'] = 'build-and-deploy';
+    process.env['GITHUB_ACTOR'] = 'testUser';
+    process.env['GITHUB_REPOSITORY'] = 'testRepo';
+    process.env['GITHUB_SHA'] = 'testCommit';
+    process.env['GITHUB_REF'] = 'testBranch';
 })
 
 test("setKubectlPath() - install a particular version", async () => {
@@ -182,9 +204,12 @@ test("deployment - deploy() - Invokes with manifestfiles", async () => {
     const KubernetesObjectUtilityMock = mocked(KubernetesObjectUtility, true);
     const kubeCtl: jest.Mocked<Kubectl> = new Kubectl("") as any;
     kubeCtl.apply = jest.fn().mockReturnValue("");
-    const resources: Resource[] = [{ type: "Deployment", name: "AppName" }];
     KubernetesObjectUtilityMock.getResources = jest.fn().mockReturnValue(resources);
-    kubeCtl.getResource = jest.fn().mockReturnValue("");
+    kubeCtl.getResource = jest.fn().mockReturnValue(getNamespaceMock);
+    kubeCtl.getAllPods = jest.fn().mockReturnValue(getAllPodsMock);
+    kubeCtl.describe = jest.fn().mockReturnValue("");
+    kubeCtl.annotateFiles = jest.fn().mockReturnValue("");
+    kubeCtl.annotate = jest.fn().mockReturnValue("");
     KubernetesManifestUtilityMock.checkManifestStability = jest.fn().mockReturnValue("");
 
     const readFileSpy = jest.spyOn(fs, 'readFileSync').mockImplementation(() => deploymentYaml);
@@ -193,4 +218,25 @@ test("deployment - deploy() - Invokes with manifestfiles", async () => {
     await expect(deployment.deploy(kubeCtl, ['manifests/deployment.yaml'], undefined)).resolves.not.toThrowError();
     expect(readFileSpy).toBeCalledWith("manifests/deployment.yaml");
     expect(kubeCtl.getResource).toBeCalledWith("ingress", "AppName");
+});
+
+test("deployment - deploy() - Annotate resources", async () => {
+    const KubernetesManifestUtilityMock = mocked(KubernetesManifestUtility, true);
+    KubernetesManifestUtilityMock.checkManifestStability = jest.fn().mockReturnValue("");
+    const KubernetesObjectUtilityMock = mocked(KubernetesObjectUtility, true);
+    KubernetesObjectUtilityMock.getResources = jest.fn().mockReturnValue(resources);
+    const fileHelperMock = mocked(fileHelper, true);
+    fileHelperMock.writeObjectsToFile = jest.fn().mockReturnValue(["~/Deployment_testapp_currentTimestamp"]);
+    const kubeCtl: jest.Mocked<Kubectl> = new Kubectl("") as any;
+    kubeCtl.apply = jest.fn().mockReturnValue("");
+    kubeCtl.getResource = jest.fn().mockReturnValue(getNamespaceMock);
+    kubeCtl.getAllPods = jest.fn().mockReturnValue(getAllPodsMock);
+    kubeCtl.getNewReplicaSet = jest.fn().mockReturnValue("testpod-776cbc86f9");
+    kubeCtl.annotateFiles = jest.fn().mockReturnValue("");
+    kubeCtl.annotate = jest.fn().mockReturnValue("");
+
+    //Invoke and assert
+    await expect(deployment.deploy(kubeCtl, ['manifests/deployment.yaml'], undefined)).resolves.not.toThrowError();
+    expect(kubeCtl.annotateFiles).toBeCalledWith(["~/Deployment_testapp_currentTimestamp"], workflowAnnotations, true);
+    expect(kubeCtl.annotate).toBeCalledTimes(2);
 });
\ No newline at end of file
diff --git a/lib/constants.js b/lib/constants.js
index 5367fd9c..3af484d6 100644
--- a/lib/constants.js
+++ b/lib/constants.js
@@ -27,10 +27,12 @@ exports.workloadTypes = ['deployment', 'replicaset', 'daemonset', 'pod', 'statef
 exports.workloadTypesWithRolloutStatus = ['deployment', 'daemonset', 'statefulset'];
 exports.workflowAnnotations = [
     `run=${process.env['GITHUB_RUN_ID']}`,
-    `workflow="${process.env['GITHUB_WORKFLOW']}"`,
-    `jobName="${process.env['GITHUB_JOB']}"`,
+    `repository=${process.env['GITHUB_REPOSITORY']}`,
+    `workflow=${process.env['GITHUB_WORKFLOW']}`,
+    `jobName=${process.env['GITHUB_JOB']}`,
     `createdBy=${process.env['GITHUB_ACTOR']}`,
     `runUri=https://github.com/${process.env['GITHUB_REPOSITORY']}/actions/runs/${process.env['GITHUB_RUN_ID']}`,
     `commit=${process.env['GITHUB_SHA']}`,
-    `branch=${process.env['GITHUB_REF']}`
+    `branch=${process.env['GITHUB_REF']}`,
+    `deployTimestamp=${Date.now()}`
 ];
diff --git a/lib/utilities/strategy-helpers/deployment-helper.js b/lib/utilities/strategy-helpers/deployment-helper.js
index f94c16ce..978750ca 100644
--- a/lib/utilities/strategy-helpers/deployment-helper.js
+++ b/lib/utilities/strategy-helpers/deployment-helper.js
@@ -112,6 +112,7 @@ function checkManifestStability(kubectl, resources) {
 }
 function annotateResources(files, kubectl, resourceTypes, allPods) {
     const annotateResults = [];
+    annotateResults.push(utility_1.annotateNamespace(kubectl, TaskInputParameters.namespace));
     annotateResults.push(kubectl.annotateFiles(files, models.workflowAnnotations, true));
     resourceTypes.forEach(resource => {
         if (resource.type.toUpperCase() !== models.KubernetesWorkload.pod.toUpperCase()) {
@@ -149,7 +150,7 @@ function updateResourceObjects(filePaths, imagePullSecrets, containers) {
             }
         });
     });
-    core.debug('New K8s objects after addin imagePullSecrets are :' + JSON.stringify(newObjectsList));
+    core.debug('New K8s objects after adding imagePullSecrets are :' + JSON.stringify(newObjectsList));
     const newFilePaths = fileHelper.writeObjectsToFile(newObjectsList);
     return newFilePaths;
 }
diff --git a/lib/utilities/utility.js b/lib/utilities/utility.js
index 7d68af81..80c3ce47 100644
--- a/lib/utilities/utility.js
+++ b/lib/utilities/utility.js
@@ -1,6 +1,6 @@
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
-exports.getCurrentTime = exports.getRandomInt = exports.sleep = exports.annotateChildPods = exports.checkForErrors = exports.isEqual = exports.getExecutableExtension = void 0;
+exports.getCurrentTime = exports.getRandomInt = exports.sleep = exports.annotateNamespace = exports.annotateChildPods = exports.checkForErrors = exports.isEqual = exports.getExecutableExtension = void 0;
 const os = require("os");
 const core = require("@actions/core");
 const constants_1 = require("../constants");
@@ -71,6 +71,20 @@ function annotateChildPods(kubectl, resourceType, resourceName, allPods) {
     return commandExecutionResults;
 }
 exports.annotateChildPods = annotateChildPods;
+function annotateNamespace(kubectl, namespaceName) {
+    let annotate = true;
+    const result = kubectl.getResource('namespace', namespaceName);
+    this.checkForErrors([result]);
+    const annotationsSet = JSON.parse(result.stdout).metadata.annotations;
+    if (!!annotationsSet && !!annotationsSet.runUri && annotationsSet.runUri.indexOf(process.env['GITHUB_REPOSITORY']) == -1) {
+        annotate = false;
+        core.debug(`Skipping 'annotate namespace' as namespace annotated by other workflow`);
+    }
+    if (annotate) {
+        return kubectl.annotate('namespace', namespaceName, constants_1.workflowAnnotations, true);
+    }
+}
+exports.annotateNamespace = annotateNamespace;
 function sleep(timeout) {
     return new Promise(resolve => setTimeout(resolve, timeout));
 }
diff --git a/src/constants.ts b/src/constants.ts
index 5aa6f845..e9aba2fc 100644
--- a/src/constants.ts
+++ b/src/constants.ts
@@ -25,12 +25,14 @@ export const deploymentTypes: string[] = ['deployment', 'replicaset', 'daemonset
 export const workloadTypes: string[] = ['deployment', 'replicaset', 'daemonset', 'pod', 'statefulset', 'job', 'cronjob'];
 export const workloadTypesWithRolloutStatus: string[] = ['deployment', 'daemonset', 'statefulset'];
 
-export let workflowAnnotations = [
+export const workflowAnnotations = [
     `run=${process.env['GITHUB_RUN_ID']}`,
-    `workflow="${process.env['GITHUB_WORKFLOW']}"`,
-    `jobName="${process.env['GITHUB_JOB']}"`,
+    `repository=${process.env['GITHUB_REPOSITORY']}`,
+    `workflow=${process.env['GITHUB_WORKFLOW']}`,
+    `jobName=${process.env['GITHUB_JOB']}`,
     `createdBy=${process.env['GITHUB_ACTOR']}`,
     `runUri=https://github.com/${process.env['GITHUB_REPOSITORY']}/actions/runs/${process.env['GITHUB_RUN_ID']}`,
     `commit=${process.env['GITHUB_SHA']}`,
-    `branch=${process.env['GITHUB_REF']}`
+    `branch=${process.env['GITHUB_REF']}`,
+    `deployTimestamp=${Date.now()}`
 ];
\ No newline at end of file
diff --git a/src/kubectl-object-model.ts b/src/kubectl-object-model.ts
index 2dcffa0a..0f9c02df 100644
--- a/src/kubectl-object-model.ts
+++ b/src/kubectl-object-model.ts
@@ -1,5 +1,4 @@
 import { ToolRunner, IExecOptions, IExecSyncResult } from "./utilities/tool-runner";
-import * as core from '@actions/core';
 
 export interface Resource {
     name: string;
diff --git a/src/utilities/strategy-helpers/deployment-helper.ts b/src/utilities/strategy-helpers/deployment-helper.ts
index 121dd9d8..a7299cb0 100644
--- a/src/utilities/strategy-helpers/deployment-helper.ts
+++ b/src/utilities/strategy-helpers/deployment-helper.ts
@@ -17,7 +17,7 @@ import { IExecSyncResult } from '../../utilities/tool-runner';
 
 import { deployPodCanary } from './pod-canary-deployment-helper';
 import { deploySMICanary } from './smi-canary-deployment-helper';
-import { checkForErrors, annotateChildPods } from "../utility";
+import { checkForErrors, annotateChildPods, annotateNamespace } from "../utility";
 
 
 export async function deploy(kubectl: Kubectl, manifestFilePaths: string[], deploymentStrategy: string) {
@@ -114,6 +114,7 @@ async function checkManifestStability(kubectl: Kubectl, resources: Resource[]):
 
 function annotateResources(files: string[], kubectl: Kubectl, resourceTypes: Resource[], allPods: any) {
     const annotateResults: IExecSyncResult[] = [];
+    annotateResults.push(annotateNamespace(kubectl, TaskInputParameters.namespace));
     annotateResults.push(kubectl.annotateFiles(files, models.workflowAnnotations, true));
     resourceTypes.forEach(resource => {
         if (resource.type.toUpperCase() !== models.KubernetesWorkload.pod.toUpperCase()) {
@@ -152,7 +153,7 @@ function updateResourceObjects(filePaths: string[], imagePullSecrets: string[],
             }
         });
     });
-    core.debug('New K8s objects after addin imagePullSecrets are :' + JSON.stringify(newObjectsList));
+    core.debug('New K8s objects after adding imagePullSecrets are :' + JSON.stringify(newObjectsList));
     const newFilePaths = fileHelper.writeObjectsToFile(newObjectsList);
     return newFilePaths;
 }
diff --git a/src/utilities/utility.ts b/src/utilities/utility.ts
index c1605220..bf86ba91 100644
--- a/src/utilities/utility.ts
+++ b/src/utilities/utility.ts
@@ -73,6 +73,20 @@ export function annotateChildPods(kubectl: Kubectl, resourceType: string, resour
     return commandExecutionResults;
 }
 
+export function annotateNamespace(kubectl: Kubectl, namespaceName: string): IExecSyncResult {
+    let annotate = true;
+    const result = kubectl.getResource('namespace', namespaceName);
+    this.checkForErrors([result]);
+    const annotationsSet = JSON.parse(result.stdout).metadata.annotations;
+    if (!!annotationsSet && !!annotationsSet.runUri && annotationsSet.runUri.indexOf(process.env['GITHUB_REPOSITORY']) == -1) {
+        annotate = false;
+        core.debug(`Skipping 'annotate namespace' as namespace annotated by other workflow`);
+    }
+    if (annotate) {
+        return kubectl.annotate('namespace', namespaceName, workflowAnnotations, true);
+    }
+}
+
 export function sleep(timeout: number) {
     return new Promise(resolve => setTimeout(resolve, timeout));
 }