diff --git a/docbook-dtds.spec b/docbook-dtds.spec
index 813dd26..6e022ba 100644
--- a/docbook-dtds.spec
+++ b/docbook-dtds.spec
@@ -5,11 +5,11 @@
 
 Name: docbook-dtds
 Version: 1.0
-Release: 86%{?dist}
+Release: 87%{?dist}
 
 Summary: SGML and XML document type definitions for DocBook
 
-License: Copyright only
+License: LicenseRef-docbook-dtds
 URL: http://www.oasis-open.org/docbook/
 
 Obsoletes: docbook-dtd30-sgml < %{version}-%{release}
@@ -398,6 +398,10 @@ do
 done
 
 %changelog
+* Tue Jul 02 2024 Ondrej Sloup <osloup@redhat.com> - 1.0-87
+- Update license tag to the SPDX format (LicenseRef-docbook-dtds) 
+- Resolves: RHEL-45839
+
 * Mon Jun 24 2024 Troy Dawson <tdawson@redhat.com> - 1.0-86
 - Bump release for June 2024 mass rebuild