diff --git a/ospec/change-log.md b/ospec/change-log.md
index 2eab4f48..943f02f8 100644
--- a/ospec/change-log.md
+++ b/ospec/change-log.md
@@ -1,6 +1,7 @@
 # Change log for ospec
 
 - [Upcoming](#upcoming)
+- [4.0.0](#400)
 - [3.1.0](#310)
 - [3.0.1](#301)
 - [3.0.0](#300)