diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index 03a9e2c8..476f88f1 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -80,7 +80,7 @@
         },
         "type-is": {
           "version": "1.6.15",
-          "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-1.6.15.tgz",
           "dependencies": {
             "media-typer": {
@@ -181,7 +181,7 @@
                         },
                         "minimatch": {
                           "version": "3.0.3",
-                          "from": "minimatch@>=2.0.0 <3.0.0||>=3.0.0 <4.0.0",
+                          "from": "minimatch@>=3.0.2 <4.0.0",
                           "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.3.tgz",
                           "dependencies": {
                             "brace-expansion": {
@@ -1050,7 +1050,7 @@
         },
         "mime-types": {
           "version": "2.1.15",
-          "from": "mime-types@>=2.1.7 <2.2.0",
+          "from": "mime-types@>=2.1.15 <2.2.0",
           "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.15.tgz",
           "dependencies": {
             "mime-db": {
@@ -1222,9 +1222,8 @@
           }
         },
         "grainstore": {
-          "version": "1.6.2",
+          "version": "1.6.3",
           "from": "grainstore@>=1.6.0 <1.7.0",
-          "resolved": "https://registry.npmjs.org/grainstore/-/grainstore-1.6.2.tgz",
           "dependencies": {
             "carto": {
               "version": "0.16.3",
@@ -2220,7 +2219,7 @@
                                 },
                                 "fstream": {
                                   "version": "1.0.11",
-                                  "from": "fstream@>=1.0.2 <2.0.0",
+                                  "from": "fstream@>=1.0.10 <2.0.0",
                                   "resolved": "https://registry.npmjs.org/fstream/-/fstream-1.0.11.tgz",
                                   "dependencies": {
                                     "graceful-fs": {
@@ -2256,7 +2255,7 @@
                                 },
                                 "fstream": {
                                   "version": "1.0.11",
-                                  "from": "fstream@>=1.0.2 <2.0.0",
+                                  "from": "fstream@>=1.0.10 <2.0.0",
                                   "resolved": "https://registry.npmjs.org/fstream/-/fstream-1.0.11.tgz",
                                   "dependencies": {
                                     "graceful-fs": {
@@ -2266,7 +2265,7 @@
                                     },
                                     "inherits": {
                                       "version": "2.0.3",
-                                      "from": "inherits@>=2.0.0 <3.0.0",
+                                      "from": "inherits@>=2.0.0 <2.1.0",
                                       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz"
                                     }
                                   }
@@ -2321,7 +2320,7 @@
                                 },
                                 "readable-stream": {
                                   "version": "2.2.9",
-                                  "from": "readable-stream@>=2.0.6 <3.0.0",
+                                  "from": "readable-stream@>=2.1.4 <3.0.0",
                                   "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.2.9.tgz",
                                   "dependencies": {
                                     "buffer-shims": {
@@ -2341,7 +2340,7 @@
                                     },
                                     "inherits": {
                                       "version": "2.0.3",
-                                      "from": "inherits@>=2.0.0 <3.0.0",
+                                      "from": "inherits@>=2.0.1 <2.1.0",
                                       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz"
                                     },
                                     "process-nextick-args": {
@@ -3813,7 +3812,7 @@
           "dependencies": {
             "strip-ansi": {
               "version": "3.0.1",
-              "from": "strip-ansi@>=3.0.0 <4.0.0",
+              "from": "strip-ansi@>=3.0.1 <4.0.0",
               "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
               "dependencies": {
                 "ansi-regex": {
@@ -4083,7 +4082,7 @@
             },
             "strip-ansi": {
               "version": "3.0.1",
-              "from": "strip-ansi@>=3.0.0 <4.0.0",
+              "from": "strip-ansi@>=3.0.1 <4.0.0",
               "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
               "dependencies": {
                 "ansi-regex": {
@@ -4724,7 +4723,7 @@
                 },
                 "fstream": {
                   "version": "1.0.11",
-                  "from": "fstream@>=1.0.10 <2.0.0",
+                  "from": "fstream@>=1.0.2 <2.0.0",
                   "resolved": "https://registry.npmjs.org/fstream/-/fstream-1.0.11.tgz",
                   "dependencies": {
                     "graceful-fs": {
@@ -4748,7 +4747,7 @@
               "dependencies": {
                 "fstream": {
                   "version": "1.0.11",
-                  "from": "fstream@>=1.0.10 <2.0.0",
+                  "from": "fstream@>=1.0.2 <2.0.0",
                   "resolved": "https://registry.npmjs.org/fstream/-/fstream-1.0.11.tgz",
                   "dependencies": {
                     "graceful-fs": {
@@ -4775,7 +4774,7 @@
                     },
                     "minimatch": {
                       "version": "3.0.3",
-                      "from": "minimatch@>=3.0.0 <4.0.0",
+                      "from": "minimatch@>=3.0.2 <4.0.0",
                       "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.3.tgz",
                       "dependencies": {
                         "brace-expansion": {