diff --git a/bakta/constants.py b/bakta/constants.py
index 49291f7a..7943b821 100644
--- a/bakta/constants.py
+++ b/bakta/constants.py
@@ -142,6 +142,8 @@
 DISCARD_TYPE_SPURIOUS = 'spurious'
 DISCARD_TYPE_OVERLAP = 'overlap'
 
+DB_VERSIONS_URL = 'https://raw.githubusercontent.com/oschwengers/bakta/master/db-versions.json'
+
 CITATION = '''Schwengers O., Jelonek L., Dieckmann M. A., Beyvers S., Blom J., Goesmann A. (2021).
 Bakta: rapid and standardized annotation of bacterial genomes via alignment-free sequence identification.
 Microbial Genomics, 7(11). https://doi.org/10.1099/mgen.0.000685'''
\ No newline at end of file