diff --git a/package.json b/package.json
index 044f141..d45bc0b 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "babel-eslint": "10.1.0",
     "babel-preset-minify": "0.5.1",
     "browserify": "17.0.0",
-    "chai": "4.3.1",
+    "chai": "4.3.4",
     "chromedriver": "89.0.0",
     "codecov": "3.8.1",
     "cross-env": "7.0.3",