diff --git a/mdakits/PoreAnalyser/metadata.yaml b/mdakits/PoreAnalyser/metadata.yaml
index 573f07de..aba7b603 100644
--- a/mdakits/PoreAnalyser/metadata.yaml
+++ b/mdakits/PoreAnalyser/metadata.yaml
@@ -20,7 +20,7 @@ keywords:
   - pore
 
 ## See https://spdx.org/licenses/ for valid license specifiers
-license: LGPL-2.1-only
+license: LGPL-2.1-or-later
 
 project_home: https://github.com/DSeiferth/PoreAnalyser