diff --git a/package-lock.json b/package-lock.json
index 81d45b4..2a92d01 100644
--- a/package-lock.json
+++ b/package-lock.json
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+        "character-parser": "^2.2.0",
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@@ -1314,49 +1342,49 @@
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+        "pug-error": "^2.0.0",
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-        "pug-walk": "^1.1.8"
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-      "resolved": "https://registry.npmjs.org/pug-walk/-/pug-walk-1.1.8.tgz",
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@@ -1405,11 +1433,6 @@
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@@ -1470,11 +1493,13 @@
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-        "path-parse": "^1.0.6"
+        "is-core-module": "^2.9.0",
+        "path-parse": "^1.0.7",
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     "resolve-from": {
@@ -1628,20 +1653,25 @@
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+    "supports-preserve-symlinks-flag": {
+      "version": "1.0.0",
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-      "integrity": "sha1-uDVx+k2MJbguIxsG46MFXeTKGkc="
+      "version": "2.0.0",
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-      "resolved": "https://registry.npmjs.org/token-stream/-/token-stream-0.0.1.tgz",
-      "integrity": "sha1-zu78cXp2xDFvEm0LnbqlXX598Bo="
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/token-stream/-/token-stream-1.0.0.tgz",
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diff --git a/package.json b/package.json
index eda9736..eeb2585 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "jade": "~1.11.0",
     "mongodb": "^3.1.10",
     "morgan": "~1.9.0",
-    "pug": "^2.0.3",
+    "pug": "^3.0.1",
     "window": "^4.2.5"
   }
 }