freshen versions, clarify policy

diff --git a/SECURITY.md b/SECURITY.md
index 8212d8390b9da27e6a7a710a5afb470ab3a51578..7467d40a207b92c2bf8dd1751eccfb5c067818cc 100644 (file)
--- a/SECURITY.md
+++ b/SECURITY.md
@@ -6,10 +6,14 @@ The following versions would get a security update release if necessary.
 
 | Version  | Supported          |
 | -------- | ------------------ |
-| 2.0.x    | :white_check_mark: |
+| 2.2.x    | :white_check_mark: |
 | 1.16.x   | :white_check_mark: |
 | < 1.16.0 | :x:                |
 
+For older version 2 releases, the normal security upgrade path would
+be to upgrade to the latest version 2 release.  Selective backports to
+older 2.x versions may be considered on a case-by-case basis.
+
 ## Reporting a Vulnerability
 
 Send email to security@dnspython.org.  For confidentiality, use the following public key: