diff --git a/CHANGES.md b/CHANGES.md
index 7a36b75d33..e9068d8ccc 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,4 +1,4 @@
-## current
+## v3.1.0 (2021-02-21)
 
 - Remove dependency to base (@samoht #745)
 - fix opam files and dependencies