diff --git a/package.json b/package.json
index 70660e1..77fef8d 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
   "devDependencies": {
     "benchmark": "2.1.4",
     "beautify-benchmark": "0.2.4",
-    "deep-equal": "1.0.1",
+    "deep-equal": "1.1.2",
     "eslint": "7.26.0",
     "eslint-config-standard": "14.1.1",
     "eslint-plugin-import": "2.31.0",