diff --git a/CITATION.cff b/CITATION.cff
index f3770d9..66388a8 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -8,11 +8,12 @@ authors:
     affiliation: "German Aerospace Center (DLR)"
     address: "Linder Höhe"
     city: Köln
-version: 1.0.1
-date-released: "2025-05-09"
+version: 1.1.1
+date-released: "2025-06-17"
 #identifiers:
 #  - description: This is the collection of archived snapshots of all versions of Gaspype
 #    type: doi
 #    value: ""
 license: MIT License
-repository-code: "https://github.com/DLR-Institute-of-Future-Fuels/gaspype"
\ No newline at end of file
+repository-code: "https://github.com/DLR-Institute-of-Future-Fuels/gaspype"
+documentation: "https://dlr-institute-of-future-fuels.github.io/gaspype"
\ No newline at end of file