diff --git a/.licenserc.yaml b/.licenserc.yaml
index cb5c8747..51357215 100644
--- a/.licenserc.yaml
+++ b/.licenserc.yaml
@@ -44,6 +44,7 @@ header:
     - 'cpp/.bazelversion'
     - 'cpp/.clang-format'
     - 'cpp/.clang-tidy'
+    - 'cpp/proto/**'
     - 'cpp/WORKSPACE'
     - 'cpp/.gitignore'
     - 'cpp/third_party'