diff --git a/Libraries/vendor/core/guid.js.flow b/Libraries/vendor/core/guid.js.flow
new file mode 100644
index 00000000000..e41d259281a
--- /dev/null
+++ b/Libraries/vendor/core/guid.js.flow
@@ -0,0 +1,12 @@
+/**
+ * Copyright 2004-present Facebook. All Rights Reserved.
+ *
+ * @flow strict
+ * @format
+ */
+
+'use strict';
+
+declare function guid(): string;
+
+module.exports = guid;