diff --git a/jjb/shell/licensecheck.sh b/jjb/shell/licensecheck.sh
index f34f78e..977495c 100755
--- a/jjb/shell/licensecheck.sh
+++ b/jjb/shell/licensecheck.sh
@@ -90,6 +90,8 @@
   ! -name "*.xtarget" \
   ! -name "*ignore" \
   ! -name "*rc" \
+  ! -name "*_pb2.py" \
+  ! -name "*_pb2_grpc.py" \
   ! -name "Dockerfile" \
   ! -name "Dockerfile.*" \
   ! -name "Makefile" \