diff --git a/utf8cpp.spec b/utf8cpp.spec
index 477d7a4..e8d2d93 100644
--- a/utf8cpp.spec
+++ b/utf8cpp.spec
@@ -8,7 +8,7 @@ Name:       utf8cpp
 Version:    3.2.4
 Release:    1%{?dist}
 Summary:    A simple, portable and lightweight library for handling UTF-8 encoded strings
-License:    Boost
+License:    BSL-1.0
 URL:        https://github.com/nemtrif/utfcpp
 Source0:    https://github.com/nemtrif/utfcpp/archive/v%{version}/utfcpp-%{version}.tar.gz
 Source1:    https://github.com/nemtrif/ftest/archive/%{ftest_commit}/ftest-%{ftest_shortcommit}.tar.gz
@@ -85,6 +85,7 @@ popd
 %changelog
 * Thu Aug 31 2023 Dominik Mierzejewski <dominik@greysector.net> - 3.2.4-1
 - update to 3.2.4 (resolves rhbz#2231660)
+- switch to SPDX expression in License tag
 
 * Sat Jul 22 2023 Fedora Release Engineering <releng@fedoraproject.org> - 3.2.3-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild