diff --git a/pack.csv b/pack.csv
index 15933e1..99adc1a 100644
--- a/pack.csv
+++ b/pack.csv
@@ -145,3 +145,6 @@ A,P,gcc-avr
 A,P,avr-libc
 A,P,teensy-loader-cli
 A,A,bootloadhid
+
+# downgrade packages
+A,A,downgrade