diff --git a/packages/extension-test/package-lock.json b/packages/extension-test/package-lock.json
index d858750..75169cb 100644
--- a/packages/extension-test/package-lock.json
+++ b/packages/extension-test/package-lock.json
@@ -5,9 +5,9 @@
 	"requires": true,
 	"dependencies": {
 		"@types/fs-extra": {
-			"version": "8.1.0",
-			"resolved": "https://registry.npmjs.org/@types/fs-extra/-/fs-extra-8.1.0.tgz",
-			"integrity": "sha512-UoOfVEzAUpeSPmjm7h1uk5MH6KZma2z2O7a75onTGjnNvAvMVrPzPL/vBbT65iIGHWj6rokwfmYcmxmlSf2uwg==",
+			"version": "9.0.0",
+			"resolved": "https://registry.npmjs.org/@types/fs-extra/-/fs-extra-9.0.0.tgz",
+			"integrity": "sha512-xCbDUSZArlmMjiJdczt8AFNH2MwcMb/pj/HKja1hx3u1qzOUINcJktQMGoGVlgFnzxnuCahxKFlcRBkSAcm33g==",
 			"dev": true,
 			"requires": {
 				"@types/node": "*"
diff --git a/packages/extension-test/package.json b/packages/extension-test/package.json
index 62f9826..c475cde 100644
--- a/packages/extension-test/package.json
+++ b/packages/extension-test/package.json
@@ -7,7 +7,7 @@
     "e2e": "rimraf dist tsconfig.tsbuildinfo && npm run build && node dist/extensionTestMain"
   },
   "devDependencies": {
-    "@types/fs-extra": "^8.1.0",
+    "@types/fs-extra": "^9.0.0",
     "@types/mocha": "^7.0.2",
     "@types/node": "^13.9.3",
     "@types/vscode": "^1.43.0",