diff --git a/Containerfile b/Containerfile
index 0341637..8a744a2 100644
--- a/Containerfile
+++ b/Containerfile
@@ -14,5 +14,5 @@ set -xeuo pipefail
 # Cleanup
 /usr/share/doc/bootc-image-standard/stage-clean
 # And lint.
-bootc container lint
+bootc container lint --fatal-warnings
 EORUN