diff --git a/package-lock.json b/package-lock.json
index f61cd400c5b9e..beebe89830ae3 100644
--- a/package-lock.json
+++ b/package-lock.json
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       "resolved": "https://registry.npmjs.org/regex-cache/-/regex-cache-0.4.4.tgz",
@@ -5117,6 +5136,7 @@
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+      "dev": true,
       "requires": {
         "glob": "^7.0.5"
       }
@@ -5183,6 +5203,25 @@
       "resolved": "https://registry.npmjs.org/sax/-/sax-0.5.8.tgz",
       "integrity": "sha1-1HLbIo6zMcJQaw6MFVJK25OdEsE="
     },
+    "section-matter": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/section-matter/-/section-matter-1.0.0.tgz",
+      "integrity": "sha512-vfD3pmTzGpufjScBh50YHKzEu2lxBWhVEHsNGoEXmCmn2hKGfeNLYMzCJpe8cD7gqX7TJluOVpBkAequ6dgMmA==",
+      "requires": {
+        "extend-shallow": "^2.0.1",
+        "kind-of": "^6.0.0"
+      },
+      "dependencies": {
+        "extend-shallow": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
+          "integrity": "sha512-zCnTtlxNoAiDc3gqY2aYAWFx7XWWiasuF2K8Me5WbN8otHKTUKBwjPtNpRs/rbUZm7KxWAaNj7P1a/p52GbVug==",
+          "requires": {
+            "is-extendable": "^0.1.0"
+          }
+        }
+      }
+    },
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       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/select/-/select-1.1.2.tgz",
@@ -5542,9 +5581,9 @@
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     "stat-mode": {
-      "version": "0.2.2",
-      "resolved": "https://registry.npmjs.org/stat-mode/-/stat-mode-0.2.2.tgz",
-      "integrity": "sha1-5sgLYjEj19gM8TLOU480YokHJQI="
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/stat-mode/-/stat-mode-1.0.0.tgz",
+      "integrity": "sha512-jH9EhtKIjuXZ2cWxmXS8ZP80XyC3iasQxMDV8jzhNJpfDb7VbQLVW4Wvsxz9QZvzV+G4YoSfBUVKDOyxLzi/sg=="
     },
     "static-extend": {
       "version": "0.1.2",
@@ -5617,6 +5656,11 @@
         "is-utf8": "^0.2.0"
       }
     },
+    "strip-bom-string": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/strip-bom-string/-/strip-bom-string-1.0.0.tgz",
+      "integrity": "sha512-uCC2VHvQRYu+lMh4My/sFNmF2klFymLX1wHJeXnbEJERpV/ZsVuonzerjfrGpIGF7LBVa1O7i9kjiWvJiFck8g=="
+    },
     "strip-json-comments": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
@@ -6143,19 +6187,6 @@
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-    "thunkify": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/thunkify/-/thunkify-2.1.2.tgz",
-      "integrity": "sha1-+qDp0jDFGsyVyhOjYawFyn4EVT0="
-    },
-    "thunkify-wrap": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/thunkify-wrap/-/thunkify-wrap-1.0.4.tgz",
-      "integrity": "sha1-tSvlSN3+/aIOALWMYJZ2K0PdaIA=",
-      "requires": {
-        "enable": "1"
-      }
-    },
     "tiny-emitter": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/tiny-emitter/-/tiny-emitter-2.0.2.tgz",
@@ -6209,11 +6240,6 @@
         "repeat-string": "^1.6.1"
       }
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-    "toml": {
-      "version": "2.3.3",
-      "resolved": "https://registry.npmjs.org/toml/-/toml-2.3.3.tgz",
-      "integrity": "sha512-O7L5hhSQHxuufWUdcTRPfuTh3phKfAZ/dqfxZFoxPCj2RYmpaSGLEIs016FCXItQwNr08yefUB5TSjzRYnajTA=="
-    },
     "tough-cookie": {
       "version": "2.3.4",
       "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.3.4.tgz",
@@ -6366,14 +6392,6 @@
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-    "unyield": {
-      "version": "0.0.1",
-      "resolved": "https://registry.npmjs.org/unyield/-/unyield-0.0.1.tgz",
-      "integrity": "sha1-FQ5l2kK/d0JEW5WKZOubhdHSsYA=",
-      "requires": {
-        "co": "~3.1.0"
-      }
-    },
     "upath": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/upath/-/upath-1.1.0.tgz",
@@ -6469,11 +6487,6 @@
       "integrity": "sha1-u6Y8qGGUiZT/MHc2CJ47lgJsKk8=",
       "dev": true
     },
-    "win-fork": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/win-fork/-/win-fork-1.1.1.tgz",
-      "integrity": "sha1-j1jgZW/KAK3IyGoriePNLWotXl4="
-    },
     "wordwrap": {
       "version": "0.0.3",
       "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.3.tgz",
diff --git a/package.json b/package.json
index d18f3049c3f34..201159d49ed94 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "junk": "2.1.0",
     "lodash.defaultsdeep": "4.6.0",
     "marked": "0.3.19",
-    "metalsmith": "2.3.0",
+    "metalsmith": "2.5.0",
     "metalsmith-collections": "0.9.0",
     "metalsmith-discover-helpers": "^0.1.1",
     "metalsmith-discover-partials": "^0.1.2",