diff --git a/third_party/nanopb/BUILD b/third_party/nanopb/BUILD
index 570988435f1..f9fc57f50aa 100644
--- a/third_party/nanopb/BUILD
+++ b/third_party/nanopb/BUILD
@@ -1,4 +1,7 @@
 licenses(["notice"])
+
+exports_files(["LICENSE.txt"])
+
 package(default_visibility = ["//visibility:public"])
 
 cc_library(