diff --git a/MANIFEST.in b/MANIFEST.in
index 157c9fba..5a89824b 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -6,7 +6,7 @@ include README.md
 include README.rst
 
 # Data and config
-#include *.json
+recursive-include GPy *.json
 include GPy/defaults.cfg
 include GPy/installation.cfg