diff --git a/site/plugins/imageset/package-lock.json b/site/plugins/imageset/package-lock.json
index 51083f0..db50f9e 100644
--- a/site/plugins/imageset/package-lock.json
+++ b/site/plugins/imageset/package-lock.json
@@ -144,6 +144,15 @@
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+            "util-deprecate": "~1.0.1"
           }
         },
-        "vinyl": {
-          "version": "0.4.6",
-          "resolved": "https://registry.npmjs.org/vinyl/-/vinyl-0.4.6.tgz",
-          "integrity": "sha1-LzVsh6VQolVGHza76ypbqL94SEc=",
+        "string_decoder": {
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+          "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
           "dev": true,
           "requires": {
-            "clone": "0.2.0",
-            "clone-stats": "0.0.1"
+            "safe-buffer": "~5.1.0"
           }
         }
       }
     },
+    "vinyl-sourcemap": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/vinyl-sourcemap/-/vinyl-sourcemap-1.1.0.tgz",
+      "integrity": "sha512-NiibMgt6VJGJmyw7vtzhctDcfKch4e4n9TBeoWlirb7FMg9/1Ov9k+A5ZRAtywBpRPiyECvQRQllYM8dECegVA==",
+      "dev": true,
+      "requires": {
+        "append-buffer": "^1.0.2",
+        "convert-source-map": "^1.5.0",
+        "graceful-fs": "^4.1.6",
+        "normalize-path": "^2.1.1",
+        "now-and-later": "^2.0.0",
+        "remove-bom-buffer": "^3.0.0",
+        "vinyl": "^2.0.0"
+      }
+    },
     "vm-browserify": {
       "version": "0.0.4",
       "resolved": "https://registry.npmjs.org/vm-browserify/-/vm-browserify-0.0.4.tgz",
@@ -14445,6 +15041,15 @@
             "chalk": "1.1.3"
           }
         },
+        "minimatch": {
+          "version": "2.0.10",
+          "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-2.0.10.tgz",
+          "integrity": "sha512-jQo6o1qSVLEWaw3l+bwYA2X0uLuK2KjNh2wjgO7Q/9UJnXr1Q3yQKR8BI0/Bt/rPg75e6SMW4hW/6cBHVTZUjA==",
+          "dev": true,
+          "requires": {
+            "brace-expansion": "^1.0.0"
+          }
+        },
         "mute-stream": {
           "version": "0.0.6",
           "resolved": "https://registry.npmjs.org/mute-stream/-/mute-stream-0.0.6.tgz",
diff --git a/site/plugins/imageset/package.json b/site/plugins/imageset/package.json
index d8e66b0..0ae7770 100644
--- a/site/plugins/imageset/package.json
+++ b/site/plugins/imageset/package.json
@@ -33,7 +33,7 @@
     "extract-loader": "^1.0.2",
     "extract-text-webpack-plugin": "^3.0.2",
     "file-loader": "^1.1.10",
-    "gulp": "^3.9.1",
+    "gulp": "^4.0.2",
     "gulp-doctoc": "^0.1.4",
     "jshint": "^2.9.5",
     "jshint-loader": "^0.8.4",