diff --git a/util/lint/lint-stable-009-old-licenses b/util/lint/lint-stable-009-old-licenses
index 9d9eb9f..fdc76aa 100755
--- a/util/lint/lint-stable-009-old-licenses
+++ b/util/lint/lint-stable-009-old-licenses
@@ -18,6 +18,7 @@
 
 # regex list of files and directories to exclude from the search
 HEADER_EXCLUDED="\
+^src/lib/gnat/|\
 ^src/vendorcode/|\
 ^util/kconfig/|\
 \<COPYING\>|\