diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index 6c7a67a7..912f2100 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -90,7 +90,7 @@
             },
             "mime-types": {
               "version": "2.1.10",
-              "from": "mime-types@>=2.1.10 <2.2.0",
+              "from": "mime-types@>=2.1.2 <2.2.0",
               "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.10.tgz",
               "dependencies": {
                 "mime-db": {
@@ -532,6 +532,11 @@
         }
       }
     },
+    "camshaft-reference": {
+      "version": "0.2.0",
+      "from": "camshaft-reference@0.2.0",
+      "resolved": "https://registry.npmjs.org/camshaft-reference/-/camshaft-reference-0.2.0.tgz"
+    },
     "cartodb-psql": {
       "version": "0.4.0",
       "from": "cartodb-psql@>=0.4.0 <0.5.0",
@@ -631,7 +636,7 @@
           "dependencies": {
             "mime-types": {
               "version": "2.1.10",
-              "from": "mime-types@>=2.1.6 <2.2.0",
+              "from": "mime-types@>=2.1.10 <2.2.0",
               "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.10.tgz",
               "dependencies": {
                 "mime-db": {
@@ -695,7 +700,7 @@
           "dependencies": {
             "unpipe": {
               "version": "1.0.0",
-              "from": "unpipe@1.0.0",
+              "from": "unpipe@>=1.0.0 <1.1.0",
               "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz"
             }
           }
@@ -810,7 +815,7 @@
         },
         "type-is": {
           "version": "1.6.12",
-          "from": "type-is@>=1.6.10 <1.7.0",
+          "from": "type-is@>=1.6.6 <1.7.0",
           "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.12.tgz",
           "dependencies": {
             "media-typer": {
@@ -820,7 +825,7 @@
             },
             "mime-types": {
               "version": "2.1.10",
-              "from": "mime-types@>=2.1.6 <2.2.0",
+              "from": "mime-types@>=2.1.10 <2.2.0",
               "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.10.tgz",
               "dependencies": {
                 "mime-db": {
@@ -1035,7 +1040,7 @@
         },
         "mime-types": {
           "version": "2.1.10",
-          "from": "mime-types@>=2.1.10 <2.2.0",
+          "from": "mime-types@>=2.1.2 <2.2.0",
           "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.10.tgz",
           "dependencies": {
             "mime-db": {
diff --git a/package.json b/package.json
index 81c23080..16afaa12 100644
--- a/package.json
+++ b/package.json
@@ -33,6 +33,7 @@
         "cartodb-redis": "~0.13.0",
         "cartodb-psql": "~0.4.0",
         "camshaft": "https://github.com/CartoDB/camshaft/tarball/master",
+        "camshaft-reference": "0.2.0",
         "fastly-purge": "~1.0.1",
         "redis-mpool": "~0.4.0",
         "lru-cache": "2.6.5",