diff --git a/LICENSE b/LICENSE
new file mode 100644
index 00000000..4d9e8ffc
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,13 @@
+Copyright (c) 2023 The Finnish National Board of Education - Opetushallitus
+
+This program is free software:  Licensed under the EUPL, Version 1.1 or - as
+soon as they will be approved by the European Commission - subsequent versions
+of the EUPL (the "Licence");
+
+You may not use this work except in compliance with the Licence.
+You may obtain a copy of the Licence at: https://joinup.ec.europa.eu/software/page/eupl
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+European Union Public Licence for more details.