diff --git a/package-lock.json b/package-lock.json
index 77430c4..6ca1211 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1847,104 +1847,6 @@
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diff --git a/package.json b/package.json
index 6408473..d7c19ab 100644
--- a/package.json
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   "devDependencies": {
-    "@mdx-js/mdx": "^0.20.1",
+    "@mdx-js/mdx": "^0.20.3",
     "@zeit/next-mdx": "^1.2.0",
     "babel-eslint": "^10.0.1",
     "micro-dev": "^3.0.0",
     "next": "^8.0",
-    "react": "^16.8",
-    "react-dom": "^16.8",
+    "react": "^16.8.4",
+    "react-dom": "^16.8.4",
     "standard": "^12.0.1",
     "supertest": "^3.4.2",
-    "tap": "^12.5.3"
+    "tap": "^12.6.0"
   }
 }