diff --git a/openpower/configs/firenze_defconfig b/openpower/configs/firenze_defconfig
index 4d6baa2..5bea940 100644
--- a/openpower/configs/firenze_defconfig
+++ b/openpower/configs/firenze_defconfig
@@ -26,7 +26,7 @@
 BR2_PACKAGE_SKIBOOT=y
 BR2_PACKAGE_SKIBOOT_EMBED_PAYLOAD=n
 BR2_SKIBOOT_CUSTOM_VERSION=y
-BR2_SKIBOOT_CUSTOM_VERSION_VALUE="skiboot-5.3.7"
+BR2_SKIBOOT_CUSTOM_VERSION_VALUE="skiboot-5.4.3"
 
 # petitboot requirements
 BR2_ENABLE_LOCALE_PURGE=y