diff --git a/package.json b/package.json
index 79f54aa..c7e3e5e 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
   ],
   "repository": "jshttp/range-parser",
   "devDependencies": {
-    "deep-equal": "1.0.1",
+    "deep-equal": "1.1.2",
     "eslint": "6.0.1",
     "eslint-config-standard": "13.0.1",
     "eslint-plugin-markdown": "1.0.0",