diff --git a/src/ifc5d/CITATION.cff b/src/ifc5d/CITATION.cff
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+++ b/src/ifc5d/CITATION.cff
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+# This CITATION.cff file was generated with cffinit.
+# Visit https://bit.ly/cffinit to generate yours today!
+
+cff-version: 1.2.0
+title: ifc5d
+message: >-
+  If you use this software, please cite it using the
+  metadata from this file.
+type: software
+authors:
+  - name: "IfcOpenShell contributors"
+repository-code: >-
+  https://github.com/IfcOpenShell/IfcOpenShell/tree/v0.7.0/src/ifc5d
+abstract: Report and optimise cost information from IFC
+keywords:
+  - IFC
+  - 5D
+license: LGPL-3.0-or-later