diff --git a/package-lock.json b/package-lock.json
index 6202da1f..89d701dc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -418,9 +418,27 @@
       }
     },
     "@types/chai": {
-      "version": "4.3.20",
-      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.3.20.tgz",
-      "integrity": "sha512-/pC9HAB5I/xMlc5FP77qjCnI16ChlJfW0tGa0IUcFn38VJrTV6DeZ60NU5KZBtaOZqjdpwTWohz5HU1RrhiYxQ==",
+      "version": "5.2.3",
+      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-5.2.3.tgz",
+      "integrity": "sha512-Mw558oeA9fFbv65/y4mHtXDs9bPnFMZAL/jxdPFUpOHHIXX91mcgEHbS5Lahr+pwZFR8A7GQleRWeI6cGFC2UA==",
+      "dev": true,
+      "requires": {
+        "@types/deep-eql": "*",
+        "assertion-error": "^2.0.1"
+      },
+      "dependencies": {
+        "assertion-error": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-2.0.1.tgz",
+          "integrity": "sha512-Izi8RQcffqCeNVgFigKli1ssklIbpHnCYc6AknXGYoB6grJqyeby7jv12JUQgmTAnIDnbck1uxksT4dzN3PWBA==",
+          "dev": true
+        }
+      }
+    },
+    "@types/deep-eql": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/@types/deep-eql/-/deep-eql-4.0.2.tgz",
+      "integrity": "sha512-c9h9dVVMigMPc4bwTvC5dxqtqJZwQPePsWjPlpSOnojbor6pGqdk541lfA7AqFQr5pB1BRdq0juY9db81BwyFw==",
       "dev": true
     },
     "@types/http-cache-semantics": {
diff --git a/package.json b/package.json
index f36896af..9f93ff9d 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
   },
   "homepage": "https://github.com/kunyan/log2splunk#readme",
   "devDependencies": {
-    "@types/chai": "4.3.20",
+    "@types/chai": "5.2.3",
     "@types/mocha": "9.1.1",
     "@types/uuid": "8.3.4",
     "@typescript-eslint/eslint-plugin": "5.30.0",