diff --git a/package.json b/package.json
index bf49b8d7..e29171e1 100644
--- a/package.json
+++ b/package.json
@@ -80,7 +80,7 @@
     "@types/chai-as-promised": "^7.1.0",
     "@types/mocha": "^10.0.0",
     "@types/sinon-chai": "^3.2.0",
-    "chai": "^4.3.6",
+    "chai": "^6.0.0",
     "chai-as-promised": "^7.1.1",
     "cookie": "^1.1.1",
     "eslint": "^4.19.1",
diff --git a/yarn.lock b/yarn.lock
index f1f2f844..d6dfb118 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1247,13 +1247,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"assertion-error@npm:^1.1.0":
-  version: 1.1.0
-  resolution: "assertion-error@npm:1.1.0"
-  checksum: 10/fd9429d3a3d4fd61782eb3962ae76b6d08aa7383123fca0596020013b3ebd6647891a85b05ce821c47d1471ed1271f00b0545cf6a4326cf2fc91efcc3b0fbecf
-  languageName: node
-  linkType: hard
-
 "assign-deep@npm:^1.0.1":
   version: 1.0.1
   resolution: "assign-deep@npm:1.0.1"
@@ -1796,7 +1789,7 @@ __metadata:
     applicationinsights: "npm:^1.0.8"
     body-parser: "npm:^1.20.3"
     brace-expansion: "npm:^1.1.12"
-    chai: "npm:^4.3.6"
+    chai: "npm:^6.0.0"
     chai-as-promised: "npm:^7.1.1"
     config: "npm:^2.0.1"
     cookie: "npm:^1.1.1"
@@ -1881,18 +1874,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"chai@npm:^4.3.6":
-  version: 4.5.0
-  resolution: "chai@npm:4.5.0"
-  dependencies:
-    assertion-error: "npm:^1.1.0"
-    check-error: "npm:^1.0.3"
-    deep-eql: "npm:^4.1.3"
-    get-func-name: "npm:^2.0.2"
-    loupe: "npm:^2.3.6"
-    pathval: "npm:^1.1.1"
-    type-detect: "npm:^4.1.0"
-  checksum: 10/cde341aee15b0a51559c7cfc20788dcfb4d586a498cfb93b937bb568fd45c777b73b1461274be6092b6bf868adb4e3a63f3fec13c89f7d8fb194f84c6fa42d5f
+"chai@npm:^6.0.0":
+  version: 6.2.2
+  resolution: "chai@npm:6.2.2"
+  checksum: 10/13cda42cc40aa46da04a41cf7e5c61df6b6ae0b4e8a8c8b40e04d6947e4d7951377ea8c14f9fa7fe5aaa9e8bd9ba414f11288dc958d4cee6f5221b9436f2778f
   languageName: node
   linkType: hard
 
@@ -1940,7 +1925,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"check-error@npm:^1.0.2, check-error@npm:^1.0.3":
+"check-error@npm:^1.0.2":
   version: 1.0.3
   resolution: "check-error@npm:1.0.3"
   dependencies:
@@ -2676,15 +2661,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"deep-eql@npm:^4.1.3":
-  version: 4.1.4
-  resolution: "deep-eql@npm:4.1.4"
-  dependencies:
-    type-detect: "npm:^4.0.0"
-  checksum: 10/f04f4d581f044a824a6322fe4f68fbee4d6780e93fc710cd9852cbc82bfc7010df00f0e05894b848abbe14dc3a25acac44f424e181ae64d12f2ab9d0a875a5ef
-  languageName: node
-  linkType: hard
-
 "deep-is@npm:~0.1.3":
   version: 0.1.4
   resolution: "deep-is@npm:0.1.4"
@@ -4402,7 +4378,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"get-func-name@npm:^2.0.1, get-func-name@npm:^2.0.2":
+"get-func-name@npm:^2.0.2":
   version: 2.0.2
   resolution: "get-func-name@npm:2.0.2"
   checksum: 10/3f62f4c23647de9d46e6f76d2b3eafe58933a9b3830c60669e4180d6c601ce1b4aa310ba8366143f55e52b139f992087a9f0647274e8745621fa2af7e0acf13b
@@ -6546,15 +6522,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"loupe@npm:^2.3.6":
-  version: 2.3.7
-  resolution: "loupe@npm:2.3.7"
-  dependencies:
-    get-func-name: "npm:^2.0.1"
-  checksum: 10/635c8f0914c2ce7ecfe4e239fbaf0ce1d2c00e4246fafcc4ed000bfdb1b8f89d05db1a220054175cca631ebf3894872a26fffba0124477fcb562f78762848fb1
-  languageName: node
-  linkType: hard
-
 "lru-cache@npm:^10.0.1, lru-cache@npm:^10.2.0":
   version: 10.4.3
   resolution: "lru-cache@npm:10.4.3"
@@ -7961,13 +7928,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"pathval@npm:^1.1.1":
-  version: 1.1.1
-  resolution: "pathval@npm:1.1.1"
-  checksum: 10/b50a4751068aa3a5428f5a0b480deecedc6f537666a3630a0c2ae2d5e7c0f4bf0ee77b48404441ec1220bef0c91625e6030b3d3cf5a32ab0d9764018d1d9dbb6
-  languageName: node
-  linkType: hard
-
 "pause-stream@npm:^0.0.11":
   version: 0.0.11
   resolution: "pause-stream@npm:0.0.11"
@@ -10137,13 +10097,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"type-detect@npm:^4.0.0, type-detect@npm:^4.1.0":
-  version: 4.1.0
-  resolution: "type-detect@npm:4.1.0"
-  checksum: 10/e363bf0352427a79301f26a7795a27718624c49c576965076624eb5495d87515030b207217845f7018093adcbe169b2d119bb9b7f1a31a92bfbb1ab9639ca8dd
-  languageName: node
-  linkType: hard
-
 "type-fest@npm:^0.8.0":
   version: 0.8.1
   resolution: "type-fest@npm:0.8.1"