diff --git a/doc/source/whatsnew/v0.23.0.txt b/doc/source/whatsnew/v0.23.0.txt
index 3f89de1dc22d8..feba9d856789b 100644
--- a/doc/source/whatsnew/v0.23.0.txt
+++ b/doc/source/whatsnew/v0.23.0.txt
@@ -1,6 +1,6 @@
 .. _whatsnew_0230:
 
-v0.23.0 (May 15, 2017)
+v0.23.0 (May 15, 2018)
 ----------------------
 
 This is a major release from 0.22.0 and includes a number of API changes,