diff --git a/package-lock.json b/package-lock.json
index d2e3e2a..bb8a871 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -19,7 +19,7 @@
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         "axios": "1.12.2",
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+        "chai": "6.2.0",
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       "license": "MIT",
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+      "resolved": "https://registry.npmjs.org/chai/-/chai-6.2.0.tgz",
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-      "dependencies": {
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-        "check-error": "^2.1.1",
-        "deep-eql": "^5.0.1",
-        "loupe": "^3.1.0",
-        "pathval": "^2.0.0"
-      },
+      "peer": true,
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@@ -1586,16 +1574,6 @@
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-      "resolved": "https://registry.npmjs.org/check-error/-/check-error-2.1.1.tgz",
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-      "dev": true,
-      "license": "MIT",
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-        "node": ">= 16"
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@@ -1971,16 +1949,6 @@
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-      "license": "MIT",
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@@ -2229,6 +2197,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
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       "dev": true,
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@@ -3744,13 +3714,6 @@
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-      "resolved": "https://registry.npmjs.org/loupe/-/loupe-3.2.1.tgz",
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-      "dev": true,
-      "license": "MIT"
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@@ -6611,6 +6574,7 @@
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       "license": "MIT",
+      "peer": true,
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@@ -7156,16 +7120,6 @@
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-      "resolved": "https://registry.npmjs.org/pathval/-/pathval-2.0.1.tgz",
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-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": ">= 14.16"
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "bin": {
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@@ -7669,6 +7624,7 @@
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       "dev": true,
       "license": "BSD-3-Clause",
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       "dev": true,
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@@ -8592,6 +8550,7 @@
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       "dev": true,
       "license": "Apache-2.0",
+      "peer": true,
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
diff --git a/package.json b/package.json
index 44e23f3..0218adb 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
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     "@typescript-eslint/parser": "8.46.1",
     "axios": "1.12.2",
-    "chai": "5.3.3",
+    "chai": "6.2.0",
     "eslint": "8.57.1",
     "eslint-config-emarsys": "5.1.0",
     "eslint-config-prettier": "10.1.8",