diff --git a/src/Tree/Tree.csproj b/src/Tree/Tree.csproj
index 647ceaa88effcd86b9557ac9f4fa60c893ee7724..4985fc69347bf12615659587d995378e11ab5a24 100644
--- a/src/Tree/Tree.csproj
+++ b/src/Tree/Tree.csproj
@@ -10,7 +10,7 @@
 	<PropertyGroup>
 		<Authors>RWTH Aachen University</Authors>
 		<Company>IT Center, RWTH Aachen University</Company>
-		<Copyright>2022 IT Center, RWTH Aachen University</Copyright>
+		<Copyright>2023 IT Center, RWTH Aachen University</Copyright>
 		<Description>TreeApi is a part of the Coscine group.</Description>
 		<PackageLicenseExpression>MIT</PackageLicenseExpression>
 		<PackageProjectUrl>https://git.rwth-aachen.de/coscine/backend/apis/TreeApi</PackageProjectUrl>