diff --git a/Earthfile b/Earthfile
index 7928846..8d2d44d 100644
--- a/Earthfile
+++ b/Earthfile
@@ -19,7 +19,7 @@ ARG KAIROS_BASE_IMAGE_URL=$SPECTRO_PUB_REPO/edge
 ARG LUET_PROJECT=luet-repo
 
 # Spectro Cloud and Kairos tags.
-ARG PE_VERSION=v4.5.0-rc4
+ARG PE_VERSION=v4.5.3
 ARG SPECTRO_LUET_VERSION=v1.3.10
 ARG KAIROS_VERSION=v3.1.3
 ARG K3S_FLAVOR_TAG=k3s1