diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 25235b5d4b3f6db22d8c792d894c686638cd47b1..e961c2623d8c53a78a164c4716f22ab65c291507 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -1,4 +1,4 @@
-Changes in Release 3.2.0
+Changes in Release 4.0.0
 --------------------------------------------------------------------------------
 
  * First release supporting Python 3. Python 2 support has been dropped.