diff --git a/package-lock.json b/package-lock.json
index c3808c1..383e469 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -916,9 +916,9 @@
       "dev": true
     },
     "@polka/url": {
-      "version": "1.0.0-next.3",
-      "resolved": "https://registry.npmjs.org/@polka/url/-/url-1.0.0-next.3.tgz",
-      "integrity": "sha512-Uom7l6OeP6vcf85lMImelYu5WKVWjXyhkpi9WsRdRzlJFJFPVhjBtBCktgDUj7dk1N5FURUdegSZ5XOjxf8JZg=="
+      "version": "1.0.0-next.15",
+      "resolved": "https://registry.npmjs.org/@polka/url/-/url-1.0.0-next.15.tgz",
+      "integrity": "sha512-15spi3V28QdevleWBNXE4pIls3nFZmBbUGrW9IVPwiQczuSb9n76TCB4bsk8TSel+I1OkHEdPhu5QKMfY6rQHA=="
     },
     "@types/estree": {
       "version": "0.0.39",
@@ -4312,11 +4312,11 @@
       "dev": true
     },
     "polka": {
-      "version": "1.0.0-next.6",
-      "resolved": "https://registry.npmjs.org/polka/-/polka-1.0.0-next.6.tgz",
-      "integrity": "sha512-e3vZm2cMmPPrgn+0J5DO0rrSTfsCHGyh+YS6jjrqYP8BHJkPq8nCVSDxHkaiEN4f0c2dtR6FB+snDmLE/sRz7A==",
+      "version": "1.0.0-next.15",
+      "resolved": "https://registry.npmjs.org/polka/-/polka-1.0.0-next.15.tgz",
+      "integrity": "sha512-zBCZO40+USkSj0GDHMqufthqk4TIRc9xVGd50LbMvYNEwGHK8dZczLBQtw9pPHBM+i/Xg7ed7+c+r6J68XkWLg==",
       "requires": {
-        "@polka/url": "^1.0.0-next.3",
+        "@polka/url": "^1.0.0-next.15",
         "trouter": "^3.1.0"
       }
     },
@@ -4327,9 +4327,9 @@
       "dev": true
     },
     "postcss": {
-      "version": "7.0.18",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-7.0.18.tgz",
-      "integrity": "sha512-/7g1QXXgegpF+9GJj4iN7ChGF40sYuGYJ8WZu8DZWnmhQ/G36hfdk3q9LBJmoK+lZ+yzZ5KYpOoxq7LF1BxE8g==",
+      "version": "7.0.36",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-7.0.36.tgz",
+      "integrity": "sha512-BebJSIUMwJHRH0HAQoxN4u1CN86glsrwsW0q7T+/m44eXOUAxSNdHRkNZPYz5vVUbg17hFgOQDE7fZk7li3pZw==",
       "dev": true,
       "requires": {
         "chalk": "^2.4.2",
@@ -6280,9 +6280,9 @@
       }
     },
     "trouter": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/trouter/-/trouter-3.1.0.tgz",
-      "integrity": "sha512-3Swwu638QQWOefHLss9cdyLi5/9BKYmXZEXpH0KOFfB9YZwUAwHbDAcoYxaHfqAeFvbi/LqAK7rGkhCr1v1BJA==",
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/trouter/-/trouter-3.2.0.tgz",
+      "integrity": "sha512-rLLXbhTObLy2MBVjLC+jTnoIKw99n0GuJs9ov10J870vDw5qhTurPzsDrudNtBf5w/CZ9ctZy2p2IMmhGcel2w==",
       "requires": {
         "regexparam": "^1.3.0"
       }
diff --git a/package.json b/package.json
index 1ce6302..787f818 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "front-matter": "^3.0.2",
     "marked": "^0.7.0",
     "npm-run-all": "^4.1.5",
-    "postcss": "^7.0.18",
+    "postcss": "^7.0.36",
     "postcss-cli": "^6.1.3",
     "postcss-import": "^12.0.1",
     "rollup": "^1.12.0",