diff --git a/packages/salesforcedx-vscode-core/package.json b/packages/salesforcedx-vscode-core/package.json
index cad018c80b..1165c8767f 100644
--- a/packages/salesforcedx-vscode-core/package.json
+++ b/packages/salesforcedx-vscode-core/package.json
@@ -38,7 +38,7 @@
     "rxjs": "^5.4.1",
     "sanitize-filename": "^1.6.1",
     "shelljs": "0.8.3",
-    "yeoman-generator": "^4.8.2"
+    "yeoman-generator": "^5.0.0"
   },
   "devDependencies": {
     "@salesforce/salesforcedx-test-utils-vscode": "52.15.0",
@@ -60,7 +60,7 @@
     "mocha-junit-reporter": "^1.23.3",
     "mocha-multi-reporters": "^1.1.7",
     "mock-spawn": "0.2.6",
-    "nyc": "^13",
+    "nyc": "^15.0.0",
     "sinon": "^7.3.1",
     "typescript": "3.8.3",
     "yeoman-assert": "^3.1.1"