diff --git a/data/tools/flint.yml b/data/tools/flint.yml
index 7a6ba7095..f909b6945 100644
--- a/data/tools/flint.yml
+++ b/data/tools/flint.yml
@@ -4,6 +4,7 @@ categories:
 tags:
   - c
   - cpp
+deprecated: true
 license: Boost Software License 1.0
 types:
   - cli