diff --git a/package-lock.json b/package-lock.json
index c8b80f7..e2b7287 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15,9 +15,9 @@
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+    "validate-npm-package-license": {
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+      "resolved": "https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz",
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-      "integrity": "sha1-sEVbOPxeDPMNQyUTLkYZcMIJHN4=",
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-        "clone-stats": "^0.0.1",
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@@ -4647,85 +5147,62 @@
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-          "dev": true,
-          "requires": {
-            "clone": "^0.2.0",
-            "clone-stats": "^0.0.1"
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+      "version": "3.0.3",
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+        "graceful-fs": "^4.0.0",
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+        "lazystream": "^1.0.0",
+        "lead": "^1.0.0",
+        "object.assign": "^4.0.4",
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+        "resolve-options": "^1.1.0",
+        "through2": "^2.0.0",
+        "to-through": "^2.0.0",
+        "value-or-function": "^3.0.0",
+        "vinyl": "^2.0.0",
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     "vinyl-source-stream": {
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-      "resolved": "https://registry.npmjs.org/vinyl-source-stream/-/vinyl-source-stream-1.1.2.tgz",
-      "integrity": "sha1-YrU6E1YQqJbpjKlr7jqH8Aio54A=",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/vinyl-source-stream/-/vinyl-source-stream-2.0.0.tgz",
+      "integrity": "sha1-84pa+53R6Ttl1VBGmsYYKsT1S44=",
       "dev": true,
       "requires": {
         "through2": "^2.0.3",
-        "vinyl": "^0.4.3"
+        "vinyl": "^2.1.0"
+      }
+    },
+    "vinyl-sourcemap": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/vinyl-sourcemap/-/vinyl-sourcemap-1.1.0.tgz",
+      "integrity": "sha1-kqgAWTo4cDqM2xHYswCtS+Y7PhY=",
+      "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",
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-          "resolved": "https://registry.npmjs.org/clone/-/clone-0.2.0.tgz",
-          "integrity": "sha1-xhJqkK1Pctv1rNskPMN3JP6T/B8=",
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-          "resolved": "https://registry.npmjs.org/vinyl/-/vinyl-0.4.6.tgz",
-          "integrity": "sha1-LzVsh6VQolVGHza76ypbqL94SEc=",
+        "normalize-path": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-2.1.1.tgz",
+          "integrity": "sha1-GrKLVW4Zg2Oowab35vogE3/mrtk=",
           "dev": true,
           "requires": {
-            "clone": "^0.2.0",
-            "clone-stats": "^0.0.1"
+            "remove-trailing-separator": "^1.0.1"
           }
         }
       }
@@ -4753,6 +5230,22 @@
         "isexe": "^2.0.0"
       }
     },
+    "which-module": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/which-module/-/which-module-1.0.0.tgz",
+      "integrity": "sha1-u6Y8qGGUiZT/MHc2CJ47lgJsKk8=",
+      "dev": true
+    },
+    "wrap-ansi": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
+      "integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
+      "dev": true,
+      "requires": {
+        "string-width": "^1.0.1",
+        "strip-ansi": "^3.0.1"
+      }
+    },
     "wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
@@ -4763,6 +5256,43 @@
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+    },
+    "y18n": {
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.2.tgz",
+      "integrity": "sha512-uGZHXkHnhF0XeeAPgnKfPv1bgKAYyVvmNL1xlKsPYZPaIHxGti2hHqvOCQv71XMsLxu1QjergkqogUnms5D3YQ==",
+      "dev": true
+    },
+    "yargs": {
+      "version": "7.1.2",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-7.1.2.tgz",
+      "integrity": "sha512-ZEjj/dQYQy0Zx0lgLMLR8QuaqTihnxirir7EwUHp1Axq4e3+k8jXU5K0VLbNvedv1f4EWtBonDIZm0NUr+jCcA==",
+      "dev": true,
+      "requires": {
+        "camelcase": "^3.0.0",
+        "cliui": "^3.2.0",
+        "decamelize": "^1.1.1",
+        "get-caller-file": "^1.0.1",
+        "os-locale": "^1.4.0",
+        "read-pkg-up": "^1.0.1",
+        "require-directory": "^2.1.1",
+        "require-main-filename": "^1.0.1",
+        "set-blocking": "^2.0.0",
+        "string-width": "^1.0.2",
+        "which-module": "^1.0.0",
+        "y18n": "^3.2.1",
+        "yargs-parser": "^5.0.1"
+      }
+    },
+    "yargs-parser": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-5.0.1.tgz",
+      "integrity": "sha512-wpav5XYiddjXxirPoCTUPbqM0PXvJ9hiBMvuJgInvo4/lAOTZzUprArw17q2O1P2+GHhbBr18/iQwjL5Z9BqfA==",
+      "dev": true,
+      "requires": {
+        "camelcase": "^3.0.0",
+        "object.assign": "^4.1.0"
+      }
     }
   }
 }
diff --git a/package.json b/package.json
index acbf2d7..a194afe 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "codemirror": "^5.47.0",
     "genish.js": "latest",
     "memory-helper": "latest",
-    "serialize-javascript": "1.9.1",
+    "serialize-javascript": "3.1.0",
     "tidal.pegjs": "latest"
   },
   "scripts": {