diff --git a/asciidoc.spec b/asciidoc.spec
index 2f034a1..331614c 100644
--- a/asciidoc.spec
+++ b/asciidoc.spec
@@ -21,7 +21,7 @@ Name:           asciidoc
 Summary:        Text-Based Document Generation
 Version:        8.6.6
 Release:        1
-License:        GPL v2 or later
+License:        GPL-2.0+
 Group:          Development/Tools/Doc Generators
 Requires:       python >= 2.3 python-xml
 Requires:       docbook-xsl-stylesheets
@@ -42,7 +42,7 @@ to HTML and DocBook markups using the asciidoc command.
 %package examples
 Summary:        Examples and Documents for asciidoc
 Group:          Development/Tools/Doc Generators
-License:        GPL v2 or later
+License:        GPL-2.0+
 
 %description examples
 This package contains examples and documetns of asciidoc.