diff --git a/src/ReVancedBuilder/ReVancedBuilder.py b/src/ReVancedBuilder/ReVancedBuilder.py
index 6a90b71..609eac0 100755
--- a/src/ReVancedBuilder/ReVancedBuilder.py
+++ b/src/ReVancedBuilder/ReVancedBuilder.py
@@ -84,7 +84,7 @@ appstate = {}
 
 # Get a timestamp
 time = datetime.now()
-appstate['timestamp'] = time.strftime('%Y%m%d%H%M%S')
+appstate['timestamp'] = time.strftime('%Y-%m-%dT%H:%M:%SZ')
 
 # Read arguments
 try: