diff --git a/package-lock.json b/package-lock.json
index b3972e3..0010962 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "daggraph",
-  "version": "0.3.2",
+  "version": "0.3.3",
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       "integrity": "sha1-45sJrqne+Gao8gbiiK9jkZuuOcQ=",
-      "dev": true
+      "dev": true,
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@@ -1135,7 +1137,8 @@
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       "integrity": "sha1-qJS3XUvE9s1nnvMkSp/Y9Gri1Cg=",
-      "dev": true
+      "dev": true,
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@@ -1147,7 +1150,8 @@
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       "integrity": "sha1-WWZ/QfrdTyDMvCu5a41Pf3jsA2c=",
-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -1159,7 +1163,8 @@
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-      "dev": true
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@@ -2010,6 +2015,7 @@
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       "dev": true,
+      "optional": true,
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@@ -2025,6 +2031,7 @@
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           "integrity": "sha1-dp66rz9KY6rTr56NMEybvnm/sOY=",
           "dev": true,
+          "optional": true,
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@@ -2034,6 +2041,7 @@
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           "dev": true,
+          "optional": true,
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@@ -2043,6 +2051,7 @@
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           "dev": true,
+          "optional": true,
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@@ -2052,6 +2061,7 @@
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           "dev": true,
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@@ -2106,6 +2116,7 @@
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@@ -2124,6 +2135,7 @@
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           "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
           "dev": true,
+          "optional": true,
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@@ -2167,6 +2179,7 @@
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       "dev": true,
+      "optional": true,
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@@ -2322,6 +2335,7 @@
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       "dev": true,
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@@ -2334,6 +2348,7 @@
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@@ -2438,6 +2453,7 @@
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       "integrity": "sha1-S8A3PBZLwykbTTaMgpzxqApZ3KA=",
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@@ -2478,7 +2494,8 @@
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-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -2562,7 +2579,8 @@
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       "integrity": "sha1-Z29us8OZl8LuGsOpJP1hJHSPV40=",
-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -2653,8 +2671,9 @@
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-      "integrity": "sha1-6zkTMzRYd1y4TNGh+uBiEGu4dUU=",
-      "dev": true
+      "integrity": "sha512-hjf+xovcEn31w/EUYdTXQh/8smFL/dzYjohQGEIgjyNavaJfBY2p5F527Bo1VPATxv0VYTUC2bOcXvqFwk78Og==",
+      "dev": true,
+      "optional": true
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@@ -2696,6 +2715,7 @@
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+      "optional": true,
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@@ -2706,6 +2726,7 @@
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@@ -2715,6 +2736,7 @@
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+          "optional": true,
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@@ -2724,6 +2746,7 @@
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           "dev": true,
+          "optional": true,
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@@ -3415,6 +3438,7 @@
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       "integrity": "sha1-Jqcarwc7OfshJxcnRhMcJwQCjbg=",
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@@ -3425,6 +3449,7 @@
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@@ -3600,6 +3625,7 @@
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       "integrity": "sha1-1USBHUKPmOsGpj3EAtJAPDKMOPc=",
       "dev": true,
+      "optional": true,
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@@ -3612,6 +3638,7 @@
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           "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
           "dev": true,
+          "optional": true,
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@@ -3684,6 +3711,7 @@
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       "integrity": "sha1-QpD60n8T6Jvn8zeZxrxaCr//DRk=",
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@@ -3720,7 +3748,8 @@
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           "version": "2.1.1",
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-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -3741,12 +3770,14 @@
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           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -3761,17 +3792,20 @@
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           "version": "1.1.0",
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+          "dev": true,
+          "optional": true
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@@ -3888,7 +3922,8 @@
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@@ -3900,6 +3935,7 @@
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@@ -3914,6 +3950,7 @@
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@@ -3921,12 +3958,14 @@
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-          "dev": true
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@@ -3945,6 +3984,7 @@
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@@ -4025,7 +4065,8 @@
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@@ -4037,6 +4078,7 @@
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@@ -4122,7 +4164,8 @@
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@@ -4158,6 +4201,7 @@
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@@ -4177,6 +4221,7 @@
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@@ -4220,12 +4265,14 @@
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+          "optional": true
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