diff --git a/host_backup.conf.example b/host_backup.conf.example
index 894343f..0f29614 100644
--- a/host_backup.conf.example
+++ b/host_backup.conf.example
@@ -2,7 +2,7 @@
 
 ###### obackup - Local or Remote, push or pull backup script for files & mysql databases
 ###### (C) 2013-2016 by Orsiris de Jong (www.netpower.fr)
-###### obackup v2.1x config file rev 2016121901
+###### obackup v2.1x config file rev 2017010201
 
 ###### GENERAL BACKUP OPTIONS
 
@@ -38,6 +38,9 @@ CRYPT_STORAGE=/home/storage/backup/crpyt
 ## GPG recipient (pubkey for this recipient must exist, see gpg2 --list-keys or gpg --list-keys
 GPG_RECIPIENT="John Doe"
 
+## Use n CPUs for encryption / decryption where n is an integer
+PARALLEL_ENCRYPTION_PROCESSES=
+
 ## Create backup directories if they do not exist
 CREATE_DIRS=yes
 
diff --git a/upgrade-v1.x-2.1x.sh b/upgrade-v1.x-2.1x.sh
index ee32d0e..b046e5d 100755
--- a/upgrade-v1.x-2.1x.sh
+++ b/upgrade-v1.x-2.1x.sh
@@ -6,7 +6,7 @@ AUTHOR="(C) 2016 by Orsiris de Jong"
 CONTACT="http://www.netpower.fr/obacup - ozy@netpower.fr"
 OLD_PROGRAM_VERSION="v1.x"
 NEW_PROGRAM_VERSION="v2.1x"
-CONFIG_FILE_VERSION=2016121901
+CONFIG_FILE_VERSION=2017010201
 PROGRAM_BUILD=2016113001
 
 if ! type "$BASH" > /dev/null; then
@@ -29,6 +29,7 @@ FILE_STORAGE
 ENCRYPTION
 CRYPT_STORAGE
 GPG_RECIPIENT
+PARALLEL_ENCRYPTION_PROCESSES
 CREATE_DIRS
 KEEP_ABSOLUTE_PATHS
 BACKUP_SIZE_MINIMUM
@@ -114,6 +115,7 @@ local
 no
 /home/storage/crypt
 'Your Name used with GPG signature'
+''
 yes
 yes
 1024