diff --git a/debian/copyright b/debian/copyright
index 2ffb059db8..cbf39e16b1 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -4,6 +4,7 @@ Source: https://www.rust-lang.org
 Files-Excluded:
  .gitmodules
  *.min.js
+ src/gcc
  src/llvm-project
 # Pre-generated docs
  src/tools/rustfmt/docs