diff --git a/tools/write_version_header.py b/tools/write_version_header.py
index 88dcb30..028ad2a 100755
--- a/tools/write_version_header.py
+++ b/tools/write_version_header.py
@@ -101,6 +101,7 @@
       help='Skips running git rev-parse, emits only the version from CHANGELOG')
   parser.add_argument('--cpp_out', help='Path of the generated .h file.')
   parser.add_argument('--ts_out', help='Path of the generated .ts file.')
+  parser.add_argument('--stdout', help='Write to stdout', action='store_true')
   parser.add_argument('--changelog', help='Path to CHANGELOG.')
   args = parser.parse_args()
 
@@ -142,6 +143,9 @@
     content = '\n'.join(lines)
     write_if_unchanged(args.ts_out, content)
 
+  if args.stdout:
+    print(version)
+
 
 if __name__ == '__main__':
   sys.exit(main())