diff --git a/src/testRunner/tsconfig.json b/src/testRunner/tsconfig.json
index e85df70861e..2caa9873f29 100644
--- a/src/testRunner/tsconfig.json
+++ b/src/testRunner/tsconfig.json
@@ -2,7 +2,6 @@
     "extends": "../tsconfig-noncomposite-base",
     "compilerOptions": {
         "outFile": "../../built/local/run.js",
-        "moduleResolution": "node",
         "composite": false,
         "declaration": false,
         "declarationMap": false,
diff --git a/src/tsconfig-base.json b/src/tsconfig-base.json
index b0515e0a023..51cf414728d 100644
--- a/src/tsconfig-base.json
+++ b/src/tsconfig-base.json
@@ -3,7 +3,7 @@
         "pretty": true,
         "lib": ["es2015.iterable", "es2015.generator", "es5"],
         "target": "es5",
-        "moduleResolution": "classic",
+        "moduleResolution": "node",
         "rootDir": ".",
 
         "declaration": true,