diff --git a/.gitignore b/.gitignore
index f3bb1bca..7ee3b88e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,6 +14,7 @@ FUTURE.md
 HISTORY.md
 PROJECT.md
 STRUCTURE.md
+CONCERN.md
 project-requirements.md
 DEVELOPMENT_LOG.md
 BUILD_SUMMARY.md