diff --git a/Readme.md b/Readme.md
index e6f68eddbde6bd646314ebf02795f73511a6baba..d6a21bcc2ea2c7a2e28bd67cf6992be633ba7611 100644
--- a/Readme.md
+++ b/Readme.md
@@ -22,6 +22,7 @@ Direct and inverse location can be used to perform full ortho-rectification of
 images and correlation between sensors observing the same area.
 
 
+[![](http://img.shields.io/:license-apache-blue.svg)](http://www.apache.org/licenses/LICENSE-2.0.html)
 [![](https://sonar.orekit.org/api/project_badges/measure?project=org.orekit%3Arugged&metric=alert_status)](https://sonar.orekit.org/dashboard?id=org.orekit%3Arugged)
 [![](https://sonar.orekit.org/api/project_badges/measure?project=org.orekit%3Arugged&metric=coverage)](https://sonar.orekit.org/component_measures?id=org.orekit%3Arugged&metric=coverage&view=treemap)