diff --git a/package.json b/package.json
index 69672d6..f67daee 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
   "devDependencies": {
     "@rollup/plugin-commonjs": "15.1.0",
     "@rollup/plugin-node-resolve": "11.1.1",
-    "chai": "4.2.0",
+    "chai": "4.3.0",
     "esm-bundle-scripts": "1.2.0"
   },
   "publishConfig": {
diff --git a/yarn.lock b/yarn.lock
index 1cf64d2..a04f1ee 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1350,7 +1350,19 @@ caseless@~0.12.0:
   resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.12.0.tgz#1b681c21ff84033c826543090689420d187151dc"
   integrity sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw=
 
-chai@4.2.0, chai@^4.2.0:
+chai@4.3.0:
+  version "4.3.0"
+  resolved "https://registry.yarnpkg.com/chai/-/chai-4.3.0.tgz#5523a5faf7f819c8a92480d70a8cccbadacfc25f"
+  integrity sha512-/BFd2J30EcOwmdOgXvVsmM48l0Br0nmZPlO0uOW4XKh6kpsUumRXBgPV+IlaqFaqr9cYbeoZAM1Npx0i4A+aiA==
+  dependencies:
+    assertion-error "^1.1.0"
+    check-error "^1.0.2"
+    deep-eql "^3.0.1"
+    get-func-name "^2.0.0"
+    pathval "^1.1.0"
+    type-detect "^4.0.5"
+
+chai@^4.2.0:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/chai/-/chai-4.2.0.tgz#760aa72cf20e3795e84b12877ce0e83737aa29e5"
   integrity sha512-XQU3bhBukrOsQCuwZndwGcCVQHyZi53fQ6Ys1Fym7E4olpIqqZZhhoFJoaKVvV17lWQoXYwgWN2nF5crA8J2jw==