diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index 58b37f14..9c0c1ef3 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -15,6 +15,7 @@
       "dependencies": {
         "grainstore": {
           "version": "0.18.2",
+          "from": "git://github.com/CartoDB/grainstore.git#0.18.2",
           "dependencies": {
             "carto": {
               "version": "0.9.5-cdb2",