Prepare debian changelog for 4.0-rc2
diff --git a/debian/changelog b/debian/changelog
index b19e982..1eda74eb 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,8 +1,8 @@
-cassandra (4.0~rc2) UNRELEASED; urgency=medium
+cassandra (4.0~rc2) unstable; urgency=medium
 
   * New release
 
- -- Mick Semb Wever <mck@apache.org>  Wed, 21 Apr 2021 19:24:28 +0200
+ -- Mick Semb Wever <mck@apache.org>  Sun, 27 Jun 2021 16:36:29 +0200
 
 cassandra (4.0~rc1) unstable; urgency=medium