diff --git a/Earthfile b/Earthfile
index 144869b..22e6068 100644
--- a/Earthfile
+++ b/Earthfile
@@ -20,7 +20,7 @@ ARG LUET_PROJECT=luet-repo
 
 # Spectro Cloud and Kairos tags.
 ARG PE_VERSION=v4.5.0-rc4
-ARG SPECTRO_LUET_VERSION=v1.3.8
+ARG SPECTRO_LUET_VERSION=v1.3.9
 ARG KAIROS_VERSION=v3.1.3
 ARG K3S_FLAVOR_TAG=k3s1
 ARG RKE2_FLAVOR_TAG=rke2r1