diff --git a/code/package-lock.json b/code/package-lock.json
index 40709120..6459cad9 100644
--- a/code/package-lock.json
+++ b/code/package-lock.json
@@ -1033,11 +1033,19 @@
       "requires": {
         "duplexer": "https://registry.npmjs.org/duplexer/-/duplexer-0.1.1.tgz",
         "from": "https://registry.npmjs.org/from/-/from-0.1.7.tgz",
-        "map-stream": "https://registry.npmjs.org/map-stream/-/map-stream-0.1.0.tgz",
+        "map-stream": "0.1.0",
         "pause-stream": "https://registry.npmjs.org/pause-stream/-/pause-stream-0.0.11.tgz",
         "split": "https://registry.npmjs.org/split/-/split-0.3.3.tgz",
         "stream-combiner": "https://registry.npmjs.org/stream-combiner/-/stream-combiner-0.0.4.tgz",
         "through": "https://registry.npmjs.org/through/-/through-2.3.8.tgz"
+      },
+      "dependencies": {
+        "map-stream": {
+          "version": "0.1.0",
+          "resolved": "https://registry.npmjs.org/map-stream/-/map-stream-0.1.0.tgz",
+          "integrity": "sha1-5WqpTEyAVaFkBKBnS3jyFffI4ZQ=",
+          "dev": true
+        }
       }
     },
     "expand-brackets": {
@@ -2738,8 +2746,9 @@
       "dev": true
     },
     "map-stream": {
-      "version": "https://registry.npmjs.org/map-stream/-/map-stream-0.1.0.tgz",
-      "integrity": "sha1-5WqpTEyAVaFkBKBnS3jyFffI4ZQ=",
+      "version": "0.0.7",
+      "resolved": "https://registry.npmjs.org/map-stream/-/map-stream-0.0.7.tgz",
+      "integrity": "sha1-ih8HiW2CsQkmvTdEokIACfiJdKg=",
       "dev": true
     },
     "map-visit": {
diff --git a/code/package.json b/code/package.json
index 11172cc8..d3782b23 100644
--- a/code/package.json
+++ b/code/package.json
@@ -18,6 +18,7 @@
     "gulp-inline": "^0.1.1",
     "gulp-remove-code": "^3.0.2",
     "gulp-replace": "^1.0.0",
-    "gulp-uglify": "^1.5.3"
+    "gulp-uglify": "^1.5.3",
+    "map-stream": "0.0.7"
   }
 }