diff --git a/package-lock.json b/package-lock.json
index ed516ee..801077f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -19,7 +19,7 @@
         "pympip3": "scripts/pympip"
       },
       "devDependencies": {
-        "@types/chai": "^4.3.8",
+        "@types/chai": "^4.3.9",
         "@types/chai-spies": "^1.0.3",
         "@types/mocha": "^10.0.3",
         "@types/node": "^18.18.5",
@@ -1102,9 +1102,9 @@
       "dev": true
     },
     "node_modules/@types/chai": {
-      "version": "4.3.8",
-      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.3.8.tgz",
-      "integrity": "sha512-yW/qTM4mRBBcsA9Xw9FbcImYtFPY7sgr+G/O5RDYVmxiy9a+pE5FyoFUi8JYCZY5nicj8atrr1pcfPiYpeNGOA==",
+      "version": "4.3.9",
+      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.3.9.tgz",
+      "integrity": "sha512-69TtiDzu0bcmKQv3yg1Zx409/Kd7r0b5F1PfpYJfSHzLGtB53547V4u+9iqKYsTu/O2ai6KTb0TInNpvuQ3qmg==",
       "dev": true
     },
     "node_modules/@types/chai-spies": {
diff --git a/package.json b/package.json
index 191f235..9d1fb65 100644
--- a/package.json
+++ b/package.json
@@ -66,7 +66,7 @@
     "bench": "node bench/bench.js"
   },
   "devDependencies": {
-    "@types/chai": "^4.3.8",
+    "@types/chai": "^4.3.9",
     "@types/chai-spies": "^1.0.3",
     "@types/mocha": "^10.0.3",
     "@types/node": "^18.18.5",