diff --git a/package.json b/package.json
index e7fbfafa1d0..27ad258c0b6 100644
--- a/package.json
+++ b/package.json
@@ -122,7 +122,7 @@
     "markdown-preview": "git+https://github.com/atom/markdown-preview.git#c6df136",
     "metrics": "git+https://github.com/atom/metrics.git#d35d034",
     "minimatch": "^3.0.3",
-    "mocha": "6.2.3",
+    "mocha": "10.6.0",
     "mocha-junit-reporter": "2.0.0",
     "mocha-multi-reporters": "^1.1.4",
     "mock-spawn": "^0.2.6",
@@ -148,7 +148,7 @@
     "semver": "7.3.2",
     "service-hub": "^0.7.4",
     "settings-view": "git+https://github.com/atom/settings-view.git#94418d6",
-    "sinon": "9.2.1",
+    "sinon": "16.1.2",
     "snippets": "git+https://github.com/atom/snippets.git#e8e6b89",
     "solarized-dark-syntax": "file:packages/solarized-dark-syntax",
     "solarized-light-syntax": "file:packages/solarized-light-syntax",