diff --git a/scripts/build/source b/scripts/build/source
index bd113fc07..a2841065b 100755
--- a/scripts/build/source
+++ b/scripts/build/source
@@ -44,6 +44,9 @@ lb source_disk "${@}"
 lb source_hooks "${@}"
 lb source_checksums "${@}"
 
+# Apply SOURCE_DATE_EPOCH to all modified and created files
+find source -newermt "$(date -d@${SOURCE_DATE_EPOCH} '+%Y-%m-%d %H:%M:%S')" -printf "%y %p\n" -exec touch '{}' -d@${SOURCE_DATE_EPOCH} --no-dereference ';' > source.modified_timestamps
+
 # Building images
 lb source_iso "${@}"
 lb source_tar "${@}"
diff --git a/scripts/build/source_tar b/scripts/build/source_tar
index 74a4331a3..566d39c20 100755
--- a/scripts/build/source_tar
+++ b/scripts/build/source_tar
@@ -49,6 +49,9 @@ rm -f ${LB_IMAGE_NAME}-source.live.tar.bz2 ${LB_IMAGE_NAME}-source.live.tar.gz $
 tar cf ${LB_IMAGE_NAME}-source.debian.tar source/debian
 tar cf ${LB_IMAGE_NAME}-source.live.tar source/live
 
+touch ${LB_IMAGE_NAME}-source.debian.tar -d@${SOURCE_DATE_EPOCH}
+touch ${LB_IMAGE_NAME}-source.live.tar -d@${SOURCE_DATE_EPOCH}
+
 case "${LB_COMPRESSION}" in
 	bzip2)
 		bzip2 ${BZIP2_OPTIONS} ${LB_IMAGE_NAME}-source.debian.tar