diff --git a/Doc/library/bsddb.rst b/Doc/library/bsddb.rst
index f6aa6d7..612a4a8 100644
--- a/Doc/library/bsddb.rst
+++ b/Doc/library/bsddb.rst
@@ -17,7 +17,7 @@
 objects the user must serialize them somehow, typically using
 :func:`marshal.dumps` or  :func:`pickle.dumps`.
 
-The :mod:`bsddb` module requires a Berkeley DB library version from 3.3 thru
+The :mod:`bsddb` module requires a Berkeley DB library version from 4.0 thru
 4.7.