diff --git a/packages/kbn-babel-preset/common_preset.js b/packages/kbn-babel-preset/common_preset.js
index 5ef73c4a34bd17..8e2f1d207f3f41 100644
--- a/packages/kbn-babel-preset/common_preset.js
+++ b/packages/kbn-babel-preset/common_preset.js
@@ -38,6 +38,10 @@ const plugins = [
   // Proposal is on stage 4 (https://github.com/tc39/proposal-export-ns-from)
   // Need this since we are using TypeScript 3.8+
   require.resolve('@babel/plugin-proposal-export-namespace-from'),
+
+  // Proposal is on stage 4 (https://github.com/tc39/proposal-export-ns-from)
+  // Need this since we are using TypeScript 3.9+
+  require.resolve('@babel/plugin-proposal-private-methods'),
 ];
 
 module.exports = {