diff --git a/action.yml b/action.yml
index 6566c985..95823499 100644
--- a/action.yml
+++ b/action.yml
@@ -32,6 +32,10 @@ inputs:
     description: "How long should a preview live? See the preview channels docs for options"
     default: "7d"
     required: false
+  addComment:
+    description: "Add comment on pull request with preview URL"
+    default: "true"
+    required: false
   projectId:
     description:
       "The project to deploy to. If you leave this blank, make sure you check in
diff --git a/bin/action.min.js b/bin/action.min.js
index 1be0a92e..08802f13 100644
--- a/bin/action.min.js
+++ b/bin/action.min.js
@@ -11415,6 +11415,7 @@ async function postChannelSuccessComment(github, context, result, commit) {
 
 const expires = core.getInput("expires");
 const projectId = core.getInput("projectId");
+const addComment = core.getInput("addComment") === "true";
 const googleApplicationCredentials = core.getInput("firebaseServiceAccount", {
   required: true
 });
@@ -11510,7 +11511,7 @@ async function run() {
     core.setOutput("details_url", urls[0]);
     const urlsListMarkdown = urls.length === 1 ? `[${urls[0]}](${urls[0]})` : urls.map(url => `- [${url}](${url})`).join("\n");
 
-    if (token && isPullRequest && !!octokit) {
+    if (token && isPullRequest && !!octokit && addComment) {
       var _context$payload$pull;
 
       const commitId = (_context$payload$pull = github.context.payload.pull_request) == null ? void 0 : _context$payload$pull.head.sha.substring(0, 7);
diff --git a/package-lock.json b/package-lock.json
index 92cfabde..6e7e8a6a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,10 +1,12 @@
 {
   "name": "firebase-hosting-preview-action",
+  "version": "0.7.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "firebase-hosting-preview-action",
+      "version": "0.7.0",
       "devDependencies": {
         "@actions/core": "^1.2.6",
         "@actions/exec": "^1.0.3",
@@ -25,8 +27,7 @@
         "ts-jest": "^26.4.1",
         "ts-node": "^9.0.0",
         "typescript": "^4.0.3"
-      },
-      "version": "0.7.0"
+      }
     },
     "node_modules/@actions/core": {
       "version": "1.2.6",
@@ -24319,6 +24320,5 @@
       "integrity": "sha512-Ux4ygGWsu2c7isFWe8Yu1YluJmqVhxqK2cLXNQA5AcC3QfbGNpM7fu0Y8b/z16pXLnFxZYvWhd3fhBY9DLmC6Q==",
       "dev": true
     }
-  },
-  "version": "0.7.0"
+  }
 }
diff --git a/src/index.ts b/src/index.ts
index ef90f2db..f26113d0 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -40,6 +40,7 @@ import {
 // Inputs defined in action.yml
 const expires = getInput("expires");
 const projectId = getInput("projectId");
+const addComment = getInput("addComment") === "true";
 const googleApplicationCredentials = getInput("firebaseServiceAccount", {
   required: true,
 });
@@ -139,7 +140,7 @@ async function run() {
         ? `[${urls[0]}](${urls[0]})`
         : urls.map((url) => `- [${url}](${url})`).join("\n");
 
-    if (token && isPullRequest && !!octokit) {
+    if (token && isPullRequest && !!octokit && addComment) {
       const commitId = context.payload.pull_request?.head.sha.substring(0, 7);
 
       await postChannelSuccessComment(octokit, context, deployment, commitId);