diff --git a/libs/fingerprint.py b/libs/fingerprint.py
index 264b866..f35d70b 100644
--- a/libs/fingerprint.py
+++ b/libs/fingerprint.py
@@ -34,8 +34,10 @@ class FingerprintDB:
   """
 
   sqlmaster = "SELECT name, sql FROM sqlite_master WHERE type='table'"
+  # version of the scanner used to create the fingerprint
   scanner_ver = "0.90"
-  format_ver  = "0.90"
+  # version of the json file format, this # is inserted in the json fingerprint file and can be used to determine what is supported at the time of that version
+  format_ver  = "0.91"
 
   #
   def __init__(self):