diff --git a/docs/packages/acquisition.yaml b/docs/packages/acquisition.yaml
index 65d4d5f30f3a..829b39b97189 100644
--- a/docs/packages/acquisition.yaml
+++ b/docs/packages/acquisition.yaml
@@ -3,3 +3,4 @@ source-code: https://github.com/zopefoundation/Acquisition
 license: ZPL-2.1
 versions:
 - version: '6.3'
+- version: '6.4'