diff --git a/CITATION.cff b/CITATION.cff
index fcf8ee5..2e4ac9f 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -4,7 +4,7 @@ message: "If you use this software, please cite it as below."
 title: "dems"
 abstract: "DESHIMA measurement set by DataArray"
 version: 0.9.0
-date-released: 2023-11-07
+date-released: 2023-12-04
 license: "MIT"
 doi: "10.5281/zenodo.8151950"
 url: "https://github.com/deshima-dev/dems"