diff --git a/cactus/project.xml b/cactus/project.xml
index b1d39e1c..0539d13a 100644
--- a/cactus/project.xml
+++ b/cactus/project.xml
@@ -127,6 +127,9 @@
maven-changelog-plugin
maven-file-activity-plugin
maven-developer-activity-plugin
+ maven-file-activity-plugin
+ maven-license-plugin
+ maven-linkcheck-plugin