diff --git a/scripts/min-tool-version.sh b/scripts/min-tool-version.sh
index d22cf91..319f921 100755
--- a/scripts/min-tool-version.sh
+++ b/scripts/min-tool-version.sh
@@ -30,7 +30,12 @@
 	echo 16.0.3
 	;;
 llvm)
-	echo 10.0.1
+	# https://lore.kernel.org/r/YMtib5hKVyNknZt3@osiris/
+	if [ "$SRCARCH" = s390 ]; then
+		echo 13.0.0
+	else
+		echo 10.0.1
+	fi
 	;;
 *)
 	echo "$1: unknown tool" >&2