diff --git a/NEWS.md b/NEWS.md
index bffdb5ac..ac40dab9 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,7 +1,7 @@
 # Changelog
 
 ## 4.0.0
-Released 2017-mm-dd
+Released 2017-10-04
 
 Backward incompatible changes:
  - Removes `list` dataview type.