diff --git a/package-lock.json b/package-lock.json
index 7b1baf7..0df7007 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,23 +4,42 @@
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+      "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.15.0.tgz",
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+      "resolved": "https://registry.npmjs.org/@types/babylon/-/babylon-6.16.6.tgz",
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-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
-      "integrity": "sha1-ReN/s56No/JbruP/U2niu18iAXo="
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+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.4.1.tgz",
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+          "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-1.0.3.tgz",
+          "integrity": "sha1-uDVx+k2MJbguIxsG46MFXeTKGkc="
+        }
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+    "babel-walk": {
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+      "resolved": "https://registry.npmjs.org/babel-walk/-/babel-walk-3.0.0-canary-5.tgz",
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+      "resolved": "https://registry.npmjs.org/call-bind/-/call-bind-1.0.2.tgz",
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@@ -113,19 +161,20 @@
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+      "integrity": "sha1-x84o821LzZdE5f/CxfzeHHMmH8A=",
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-        "@types/babylon": "^6.16.2",
-        "babel-types": "^6.26.0",
-        "babylon": "^6.18.0"
+        "@babel/parser": "^7.6.0",
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-      "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.6.3.tgz",
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@@ -170,15 +217,25 @@
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-      "resolved": "https://registry.npmjs.org/esutils/-/esutils-2.0.2.tgz",
-      "integrity": "sha1-Cr9PHKpbyx96nYrMbepPqqBLrJs="
+      "version": "2.0.3",
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+    "get-intrinsic": {
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+      "resolved": "https://registry.npmjs.org/get-intrinsic/-/get-intrinsic-1.1.1.tgz",
+      "integrity": "sha512-kWZrnVM42QCiEA2Ig1bG8zjoIMOgxWwYCEeNdwY6Tv/cOSeGpcoX4pXHfKUxNKVoArnrEr2e9srnAxxGIraS9Q==",
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+        "has": "^1.0.3",
+        "has-symbols": "^1.0.1"
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@@ -195,6 +252,19 @@
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+      "resolved": "https://registry.npmjs.org/has-symbols/-/has-symbols-1.0.2.tgz",
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+    "has-tostringtag": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/has-tostringtag/-/has-tostringtag-1.0.0.tgz",
+      "integrity": "sha512-kFjcSNhnlGV1kyoGk7OXKSawH5JOb/LzUc5w9B02hOTO0dfFRjbHQKvg1d6cf3HbeUmtU9VbbV3qzZ2Teh97WQ==",
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@@ -205,28 +275,35 @@
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-      "integrity": "sha1-Oayqa+f9HzRx3ELHQW5hwkMXrJ8=",
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-          "integrity": "sha1-EFSVrlNh1pe9GVyCUZLhrX8lN4c="
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+      "resolved": "https://registry.npmjs.org/is-promise/-/is-promise-2.2.2.tgz",
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-      "integrity": "sha1-VRdIm1RwkbCTDglWVM7SXul+lJE=",
+      "version": "1.1.4",
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@@ -241,21 +318,6 @@
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@@ -301,19 +363,37 @@
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+      "resolved": "https://registry.npmjs.org/promise/-/promise-7.3.1.tgz",
+      "integrity": "sha512-nolQXZ/4L+bP/UGlkfaIujX9BKxGwmQ9OT4mOt5yvy8iK1h3wqTEJCijzGANTCCl9nWjY41juyAn2K3Q1hLLTg==",
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-      "integrity": "sha1-ccuoJTfJWl6rftBGluQiH1Oqh44=",
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-        "pug-runtime": "^2.0.4",
-        "pug-strip-comments": "^1.0.3"
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+        "pug-filters": "^4.0.0",
+        "pug-lexer": "^5.0.0",
+        "pug-linker": "^4.0.0",
+        "pug-load": "^3.0.0",
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+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/pug-attrs/-/pug-attrs-3.0.0.tgz",
+      "integrity": "sha512-azINV9dUtzPMFQktvTXciNAfAuVh/L/JCl0vtPCwvOA21uZrC08K/UnmrL+SXGEVc1FwzjW62+xw5S/uaLj6cA==",
+      "requires": {
+        "constantinople": "^4.0.1",
+        "js-stringify": "^1.0.2",
+        "pug-runtime": "^3.0.0"
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@@ -327,11 +407,43 @@
         "pug": "^2.0.0-alpha7"
       },
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+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
+          "integrity": "sha1-ReN/s56No/JbruP/U2niu18iAXo="
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+        "constantinople": {
+          "version": "3.1.2",
+          "resolved": "https://registry.npmjs.org/constantinople/-/constantinople-3.1.2.tgz",
+          "integrity": "sha512-yePcBqEFhLOqSBtwYOGGS1exHo/s1xjekXiinh4itpNQGCu4KA1euPh1fg07N2wMITZXQkBz75Ntdt1ctGZouw==",
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+            "@types/babylon": "^6.16.2",
+            "babel-types": "^6.26.0",
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+          "integrity": "sha1-Oayqa+f9HzRx3ELHQW5hwkMXrJ8=",
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@@ -339,24 +451,22 @@
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+      "version": "7.0.2",
+      "resolved": "https://registry.npmjs.org/with/-/with-7.0.2.tgz",
+      "integrity": "sha512-RNGKj82nUPg3g5ygxkQl0R937xLyho1J24ItRCBTr/m1YnZkzJy1hUiHUJrc/VlsDQzsCnInEGSg3bci0Lmd4w==",
       "requires": {
-        "acorn": "^3.1.0",
-        "acorn-globals": "^3.0.0"
+        "@babel/parser": "^7.9.6",
+        "@babel/types": "^7.9.6",
+        "assert-never": "^1.2.1",
+        "babel-walk": "3.0.0-canary-5"
       }
     },
     "wordwrap": {
       "version": "0.0.2",
       "resolved": "http://registry.npmjs.org/wordwrap/-/wordwrap-0.0.2.tgz",
       "integrity": "sha1-t5Zpu0LstAn4PVg8rVLKF+qhZD8="
+    },
+    "yargs": {
+      "version": "3.10.0",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
+      "integrity": "sha1-9+572FfdfB0tOMDnTvvWgdFDH9E=",
+      "requires": {
+        "camelcase": "^1.0.2",
+        "cliui": "^2.1.0",
+        "decamelize": "^1.0.0",
+        "window-size": "0.1.0"
+      }
     }
   }
 }
diff --git a/package.json b/package.json
index a2cb7d5..8203eac 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
   "dependencies": {
     "highlight.js": "^9.14.2",
     "marked": "~0.3.17",
-    "pug": "^2.0.0-rc.2",
+    "pug": "^3.0.1",
     "pug-cli": "^1.0.0-alpha6",
     "stdin": "0.0.1"
   }