diff --git a/package-lock.json b/package-lock.json
index 78e1430..4c4e86f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
         "@rdfc/js-runner": "^0.2.2",
         "@rdfjs/normalize": "^2.0.3",
         "@rdfjs/types": "^1.1.2",
-        "@types/chai": "^4.3.19",
+        "@types/chai": "^4.3.20",
         "@types/mocha": "^10.0.8",
         "@types/n3": "^1.21.0",
         "@types/sinon": "^10.0.20",
@@ -6844,9 +6844,9 @@
       "integrity": "sha512-vxhUy4J8lyeyinH7Azl1pdd43GJhZH/tP2weN8TntQblOY+A0XbT8DJk1/oCPuOOyg/Ja757rG0CgHcWC8OfMA=="
     },
     "node_modules/@types/chai": {
-      "version": "4.3.19",
-      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.3.19.tgz",
-      "integrity": "sha512-2hHHvQBVE2FiSK4eN0Br6snX9MtolHaTo/batnLjlGRhoQzlCL61iVpxoqO7SfFyOw+P/pwv+0zNHzKoGWz9Cw==",
+      "version": "4.3.20",
+      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.3.20.tgz",
+      "integrity": "sha512-/pC9HAB5I/xMlc5FP77qjCnI16ChlJfW0tGa0IUcFn38VJrTV6DeZ60NU5KZBtaOZqjdpwTWohz5HU1RrhiYxQ==",
       "license": "MIT"
     },
     "node_modules/@types/estree": {
diff --git a/package.json b/package.json
index aa673c5..48f1174 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "@rdfc/js-runner": "^0.2.2",
     "@rdfjs/normalize": "^2.0.3",
     "@rdfjs/types": "^1.1.2",
-    "@types/chai": "^4.3.19",
+    "@types/chai": "^4.3.20",
     "@types/mocha": "^10.0.8",
     "@types/n3": "^1.21.0",
     "@types/sinon": "^10.0.20",