diff --git a/changelog.txt b/changelog.txt
index e69de29bb..1385ce18b 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -0,0 +1 @@
+feature - Adds region support for us-east4.
\ No newline at end of file
diff --git a/spec/function-builder.spec.ts b/spec/function-builder.spec.ts
index 2ddbb40df..04575e28b 100644
--- a/spec/function-builder.spec.ts
+++ b/spec/function-builder.spec.ts
@@ -56,6 +56,7 @@ describe('FunctionBuilder', () => {
       .region(
         'us-central1',
         'us-east1',
+        'us-east4',
         'europe-west1',
         'europe-west2',
         'asia-east2',
@@ -67,6 +68,7 @@ describe('FunctionBuilder', () => {
     expect(fn.__trigger.regions).to.deep.equal([
       'us-central1',
       'us-east1',
+      'us-east4',
       'europe-west1',
       'europe-west2',
       'asia-east2',
diff --git a/src/function-builder.ts b/src/function-builder.ts
index 42de739eb..83e9a00b0 100644
--- a/src/function-builder.ts
+++ b/src/function-builder.ts
@@ -40,6 +40,7 @@ import { CloudFunction, EventContext, Schedule } from './cloud-functions';
 const SUPPORTED_REGIONS = [
   'us-central1',
   'us-east1',
+  'us-east4',
   'europe-west1',
   'europe-west2',
   'asia-east2',