diff --git a/X11-base.yaml b/X11-base.yaml
index 6d24b86..5088d10 100644
--- a/X11-base.yaml
+++ b/X11-base.yaml
@@ -12,6 +12,7 @@ data:
         requires:
             platform: master
             fonts: master
+            autotools: master
     references:
         community: https://github.com/modularity-modules/X11-base
         documentation: https://github.com/modularity-modules/X11-base