diff --git a/packages/babel-core/src/parser/util/missing-plugin-helper.js b/packages/babel-core/src/parser/util/missing-plugin-helper.js
index 48931738241f..b6af22e4b603 100644
--- a/packages/babel-core/src/parser/util/missing-plugin-helper.js
+++ b/packages/babel-core/src/parser/util/missing-plugin-helper.js
@@ -11,6 +11,26 @@ const pluginNameMap = {
       url: "https://git.io/vb4SL",
     },
   },
+  classPrivateProperties: {
+    syntax: {
+      name: "@babel/plugin-syntax-class-properties",
+      url: "https://git.io/vb4yQ",
+    },
+    transform: {
+      name: "@babel/plugin-proposal-class-properties",
+      url: "https://git.io/vb4SL",
+    },
+  },
+  classPrivateMethods: {
+    syntax: {
+      name: "@babel/plugin-syntax-class-properties",
+      url: "https://git.io/vb4yQ",
+    },
+    transform: {
+      name: "@babel/plugin-proposal-private-methods",
+      url: "https://git.io/JvpRG",
+    },
+  },
   decorators: {
     syntax: {
       name: "@babel/plugin-syntax-decorators",