diff --git a/archiso/profiledef.sh b/archiso/profiledef.sh
index b123242..a471986 100644
--- a/archiso/profiledef.sh
+++ b/archiso/profiledef.sh
@@ -2,10 +2,10 @@
 # shellcheck disable=SC2034
 
 iso_name="cachyos"
-iso_label="COS_$(date +%y%m)"
+iso_label="COS_$(date --date="@${SOURCE_DATE_EPOCH:-$(date +%s)}" +%Y%m)"
 iso_publisher="CachyOS <https://cachyos.org>"
 iso_application="CachyOS Live/Rescue CD"
-iso_version="$(date +%Y.%m.%d)"
+iso_version="$(date --date="@${SOURCE_DATE_EPOCH:-$(date +%s)}" +%Y.%m.%d)"
 install_dir="arch"
 buildmodes=('iso')
 ## GRUB