diff --git a/package.json b/package.json
index a23ea2c514..c805e34005 100644
--- a/package.json
+++ b/package.json
@@ -93,6 +93,7 @@
     "rollup-plugin-prettier": "^3.0.0",
     "rollup-plugin-strip-banner": "^3.0.0",
     "semver": "^7.1.1",
+    "signedsource": "^2.0.0",
     "targz": "^1.0.1",
     "through2": "^3.0.1",
     "tmp": "^0.1.0",
diff --git a/scripts/rollup/packaging.js b/scripts/rollup/packaging.js
index d9e7b42608..442ca962c7 100644
--- a/scripts/rollup/packaging.js
+++ b/scripts/rollup/packaging.js
@@ -7,6 +7,7 @@ const {
   readFileSync,
   writeFileSync,
 } = require('fs');
+const path = require('path');
 const Bundles = require('./bundles');
 const {
   asyncCopyTo,
@@ -14,6 +15,7 @@ const {
   asyncExtractTar,
   asyncRimRaf,
 } = require('./utils');
+const {getSigningToken, signFile} = require('signedsource');
 
 const {
   NODE_ES2015,
@@ -134,6 +136,24 @@ async function copyRNShims() {
     require.resolve('react-native-renderer/src/ReactNativeTypes.js'),
     'build/react-native/shims/ReactNativeTypes.js'
   );
+  processGenerated('build/react-native/shims');
+}
+
+function processGenerated(directory) {
+  const files = readdirSync(directory)
+    .filter(dir => dir.endsWith('.js'))
+    .map(file => path.join(directory, file));
+
+  files.forEach(file => {
+    const originalContents = readFileSync(file, 'utf8');
+    const contents = originalContents
+      // Replace {@}format with {@}noformat
+      .replace(/(\n\s*\*\s*)@format\b.*(\n)/, '$1@noformat$2')
+      // Add {@}nolint and {@}generated
+      .replace(' */\n', ` * @nolint\n * ${getSigningToken()}\n */\n`);
+    const signedContents = signFile(contents);
+    writeFileSync(file, signedContents, 'utf8');
+  });
 }
 
 async function copyAllShims() {
diff --git a/scripts/rollup/wrappers.js b/scripts/rollup/wrappers.js
index 237e49c912..aecb2bb139 100644
--- a/scripts/rollup/wrappers.js
+++ b/scripts/rollup/wrappers.js
@@ -2,6 +2,7 @@
 
 const {resolve} = require('path');
 const {readFileSync} = require('fs');
+const {signFile, getSigningToken} = require('signedsource');
 const {bundleTypes, moduleTypes} = require('./bundles');
 
 const {
@@ -238,14 +239,14 @@ ${source}`;
 
   /****************** RN_OSS_DEV ******************/
   [RN_OSS_DEV](source, globalName, filename, moduleType) {
-    return `/**
+    return signFile(`/**
 ${license}
  *
  * @noflow
  * @nolint
  * @providesModule ${globalName}-dev
  * @preventMunge
- * ${'@gen' + 'erated'}
+ * ${getSigningToken()}
  */
 
 'use strict';
@@ -254,48 +255,48 @@ if (__DEV__) {
   (function() {
 ${source}
   })();
-}`;
+}`);
   },
 
   /****************** RN_OSS_PROD ******************/
   [RN_OSS_PROD](source, globalName, filename, moduleType) {
-    return `/**
+    return signFile(`/**
 ${license}
  *
  * @noflow
  * @nolint
  * @providesModule ${globalName}-prod
  * @preventMunge
- * ${'@gen' + 'erated'}
+ * ${getSigningToken()}
  */
 
-${source}`;
+${source}`);
   },
 
   /****************** RN_OSS_PROFILING ******************/
   [RN_OSS_PROFILING](source, globalName, filename, moduleType) {
-    return `/**
+    return signFile(`/**
 ${license}
  *
  * @noflow
  * @nolint
  * @providesModule ${globalName}-profiling
  * @preventMunge
- * ${'@gen' + 'erated'}
+ * ${getSigningToken()}
  */
 
-${source}`;
+${source}`);
   },
 
   /****************** RN_FB_DEV ******************/
   [RN_FB_DEV](source, globalName, filename, moduleType) {
-    return `/**
+    return signFile(`/**
 ${license}
  *
  * @noflow
  * @nolint
  * @preventMunge
- * ${'@gen' + 'erated'}
+ * ${getSigningToken()}
  */
 
 'use strict';
@@ -304,35 +305,35 @@ if (__DEV__) {
   (function() {
 ${source}
   })();
-}`;
+}`);
   },
 
   /****************** RN_FB_PROD ******************/
   [RN_FB_PROD](source, globalName, filename, moduleType) {
-    return `/**
+    return signFile(`/**
 ${license}
  *
  * @noflow
  * @nolint
  * @preventMunge
- * ${'@gen' + 'erated'}
+ * ${getSigningToken()}
  */
 
-${source}`;
+${source}`);
   },
 
   /****************** RN_FB_PROFILING ******************/
   [RN_FB_PROFILING](source, globalName, filename, moduleType) {
-    return `/**
+    return signFile(`/**
 ${license}
  *
  * @noflow
  * @nolint
  * @preventMunge
- * ${'@gen' + 'erated'}
+ * ${getSigningToken()}
  */
 
-${source}`;
+${source}`);
   },
 };
 
@@ -369,7 +370,7 @@ ${source}
 ${license}
  */
 module.exports = function $$$reconciler($$$config) {
-    
+
     var exports = {};
 ${source}
     return exports;
diff --git a/yarn.lock b/yarn.lock
index 3c8628af7f..7b877e9139 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -14872,6 +14872,11 @@ signal-exit@^3.0.7:
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.7.tgz#a9a1767f8af84155114eaabd73f99273c8f59ad9"
   integrity sha512-wnD2ZE+l+SPC/uoS0vXeE9L1+0wuaMqKlfz9AMUo38JsyLSBWSFcHR1Rri62LZc12vLr1gb3jl7iwQhgwpAbGQ==
 
+signedsource@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/signedsource/-/signedsource-2.0.0.tgz#f72dc0f98f5bca2763b464a555511a84a4da8eee"
+  integrity sha512-MscTxXbMij5JVgrW1xDiMIc+vFa0+H0+HP+rRrFjwa7ef2VAxIP/4L/E75I5H4xvyb4l1X+a9ch+6Zy5uFu7Fg==
+
 sisteransi@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/sisteransi/-/sisteransi-1.0.5.tgz#134d681297756437cc05ca01370d3a7a571075ed"