diff --git a/package.json b/package.json
index 5026798..398b692 100644
--- a/package.json
+++ b/package.json
@@ -35,11 +35,11 @@
     "@eclass/semantic-release-npm-github-config": "3.0.1",
     "@semantic-release/changelog": "5.0.1",
     "@semantic-release/git": "9.0.0",
-    "@types/chai": "4.2.12",
+    "@types/chai": "4.3.5",
     "@types/mocha": "8.0.3",
     "@types/node": "12.12.62",
     "@types/semantic-release": "17.1.0",
-    "chai": "4.2.0",
+    "chai": "4.3.8",
     "eslint": "7.9.0",
     "eslint-plugin-array-func": "3.1.7",
     "eslint-plugin-eslint-comments": "3.2.0",