diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 1ae7fc9..0170e31 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -18,4 +18,9 @@ V1.2
 V1.3
 - added eeprom.h and eeprom.c, is still WIP
 - void sm_check_charging(); was removed, you need to call 0xF1XX to enter charging mode, precharge is then 3 seconds then the relay closes. call 0x0000 to exit charging
-- removed some variables and some functions
\ No newline at end of file
+- removed some variables and some functions
+
+V1.4
+- replaced ADBMS code with the newest version from the Slaves
+- added the Author to things i made
+- error_source is now set in the state_machine.c
\ No newline at end of file