diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index 603e8df2..19888ae2 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -97,7 +97,7 @@
             },
             "inherits": {
               "version": "2.0.1",
-              "from": "inherits@2"
+              "from": "inherits@~2.0.1"
             }
           }
         }
@@ -193,9 +193,8 @@
           "resolved": "git://github.com/CartoDB/chronographjs.git#0b8c35eee510cfa14a16be24d70533b38ecc1d2d"
         },
         "grainstore": {
-          "version": "0.22.2",
-          "from": "https://github.com/CartoDB/grainstore/tarball/datasource-extend",
-          "resolved": "https://github.com/CartoDB/grainstore/tarball/datasource-extend",
+          "version": "0.23.0",
+          "from": "grainstore@~0.23.0",
           "dependencies": {
             "carto": {
               "version": "0.9.5-cdb2",