diff --git a/package-lock.json b/package-lock.json
index 7a39e0e4b20..29f53c862fe 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -642,9 +642,9 @@
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     },
     "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": "5.0.0",
+      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-5.0.0.tgz",
+      "integrity": "sha512-+DwhEHAaFPPdJ2ral3kNHFQXnTfscEEFsUxzD+d7nlcLrFK23JtNjH71RGasTcHb88b4vVi4mTyfpf8u2L8bdA==",
       "dev": true
     },
     "node_modules/@types/mocha": {
@@ -3415,7 +3415,7 @@
         "tslib": "^2.6.2"
       },
       "devDependencies": {
-        "@types/chai": "^4.3.11",
+        "@types/chai": "^5.0.0",
         "@types/mocha": "^10.0.6",
         "@types/node": "^22.0.0",
         "chai": "^5.0.3",
diff --git a/packages/msgraph-sdk-tests/package.json b/packages/msgraph-sdk-tests/package.json
index c11386dd8ac..4a86978d53b 100644
--- a/packages/msgraph-sdk-tests/package.json
+++ b/packages/msgraph-sdk-tests/package.json
@@ -38,7 +38,7 @@
     "tslib": "^2.6.2"
   },
   "devDependencies": {
-    "@types/chai": "^4.3.11",
+    "@types/chai": "^5.0.0",
     "@types/mocha": "^10.0.6",
     "@types/node": "^22.0.0",
     "chai": "^5.0.3",