diff --git a/keyboards/dztech/dz60rgb/v2_1/rules.mk b/keyboards/dztech/dz60rgb/v2_1/rules.mk
index 7fdadb18dc..d8d17811c8 100644
--- a/keyboards/dztech/dz60rgb/v2_1/rules.mk
+++ b/keyboards/dztech/dz60rgb/v2_1/rules.mk
@@ -3,6 +3,7 @@ MCU = atmega32u4
 
 # Bootloader selection
 BOOTLOADER = lufa-ms
+BOOTLOADER_SIZE = 6144
 
 # Build Options
 #   change yes to no to disable
diff --git a/keyboards/dztech/dz65rgb/v3/rules.mk b/keyboards/dztech/dz65rgb/v3/rules.mk
index ace821a327..10a6be57fb 100755
--- a/keyboards/dztech/dz65rgb/v3/rules.mk
+++ b/keyboards/dztech/dz65rgb/v3/rules.mk
@@ -3,6 +3,7 @@ MCU = atmega32u4
 
 # Bootloader selection
 BOOTLOADER = lufa-ms
+BOOTLOADER_SIZE = 6144
 
 # Build Options
 #   change yes to no to disable