added ChatGPT support
diff --git a/CITATION.cff b/CITATION.cff
index 9a7a921..854ece2 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -4,8 +4,8 @@
 - family-names: "Kleinberg"
   given-names: "Bennett"
   orcid: "https://orcid.org/0000-0003-1658-9086"
-title: "rgpt3: Making requests from R to the GPT-3 API"
-version: 0.3.1
-date-released: 2022-12-23
+title: "rgpt3: Making requests from R to the GPT-3 API and ChatGPT"
+version: 0.4
+date-released: 2023-03-05
 url: "https://github.com/ben-aaron188/rgpt3"
 doi: "10.5281/zenodo.7327667"