diff --git a/buildout.cfg b/buildout.cfg
index f7906097eef6a635a296369b271a4e96a1b41d12..b762cdf06bae14b50c47030648aa098f68953341 100644
--- a/buildout.cfg
+++ b/buildout.cfg
@@ -6,6 +6,7 @@
 parts = external tests python
 develop = .
 eggs = bob
+       gridtk
        flandmark
 newest = false