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diff --git a/.yarn/cache/chai-npm-5.0.3-ebc6bf8176-a6074408ea.zip b/.yarn/cache/chai-npm-5.0.3-ebc6bf8176-a6074408ea.zip
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diff --git a/.yarn/cache/check-error-npm-2.0.0-f3bb82e0c7-120f252c2e.zip b/.yarn/cache/check-error-npm-2.0.0-f3bb82e0c7-120f252c2e.zip
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diff --git a/.yarn/cache/deep-eql-npm-5.0.1-2c26401e09-8009e8a8bf.zip b/.yarn/cache/deep-eql-npm-5.0.1-2c26401e09-8009e8a8bf.zip
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diff --git a/.yarn/cache/get-func-name-npm-2.0.2-409dbe3703-3f62f4c236.zip b/.yarn/cache/get-func-name-npm-2.0.2-409dbe3703-3f62f4c236.zip
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diff --git a/.yarn/cache/loupe-npm-3.1.0-fdcfd65df9-e23814854a.zip b/.yarn/cache/loupe-npm-3.1.0-fdcfd65df9-e23814854a.zip
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diff --git a/.yarn/cache/pathval-npm-2.0.0-e9fc9a6282-682b6a6289.zip b/.yarn/cache/pathval-npm-2.0.0-e9fc9a6282-682b6a6289.zip
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diff --git a/package.json b/package.json
index e8dd6735..84700058 100644
--- a/package.json
+++ b/package.json
@@ -59,7 +59,7 @@
     "@typescript-eslint/eslint-plugin": "^5",
     "@typescript-eslint/parser": "^5",
     "axios": "^1.2.1",
-    "chai": "^4",
+    "chai": "^5",
     "concurrently": "^7.5.0",
     "customerio-node": "^3",
     "dotenv": "^16",
diff --git a/yarn.lock b/yarn.lock
index f3c03dc2..4dd8aeab 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2909,6 +2909,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"assertion-error@npm:^2.0.1":
+  version: 2.0.1
+  resolution: "assertion-error@npm:2.0.1"
+  checksum: a0789dd882211b87116e81e2648ccb7f60340b34f19877dd020b39ebb4714e475eb943e14ba3e22201c221ef6645b7bfe10297e76b6ac95b48a9898c1211ce66
+  languageName: node
+  linkType: hard
+
 "assign-symbols@npm:^1.0.0":
   version: 1.0.0
   resolution: "assign-symbols@npm:1.0.0"
@@ -4379,7 +4386,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"chai@npm:^4, chai@npm:^4.2.0":
+"chai@npm:^4.2.0":
   version: 4.3.6
   resolution: "chai@npm:4.3.6"
   dependencies:
@@ -4394,6 +4401,19 @@ __metadata:
   languageName: node
   linkType: hard
 
+"chai@npm:^5":
+  version: 5.0.3
+  resolution: "chai@npm:5.0.3"
+  dependencies:
+    assertion-error: ^2.0.1
+    check-error: ^2.0.0
+    deep-eql: ^5.0.1
+    loupe: ^3.1.0
+    pathval: ^2.0.0
+  checksum: a6074408ea982436d0c276a91a88f676065be228b8995cc4960c24bee6f0a279ade47dcfa8e0890a79a9a6b8c3021e14761da0b91160b4a7383bc5ffd7ab4432
+  languageName: node
+  linkType: hard
+
 "chalk@npm:^1.1.3":
   version: 1.1.3
   resolution: "chalk@npm:1.1.3"
@@ -4475,6 +4495,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"check-error@npm:^2.0.0":
+  version: 2.0.0
+  resolution: "check-error@npm:2.0.0"
+  checksum: 120f252c2e1ad82ef82a616662805345c6c361347bfd6203f8a28c53a158811dd0ea21278f29c8136cc9df12fc7f077d1a07124569d98fb396b3072d08f2f092
+  languageName: node
+  linkType: hard
+
 "checkpoint-store@npm:^1.1.0":
   version: 1.1.0
   resolution: "checkpoint-store@npm:1.1.0"
@@ -5389,6 +5416,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"deep-eql@npm:^5.0.1":
+  version: 5.0.1
+  resolution: "deep-eql@npm:5.0.1"
+  checksum: 8009e8a8bf3e0f591a122e7788e304a2bed1299b7774f039be96f9ef35c00fb254292fb1568952651aea0c1d1eb23d0bca484bbdd2cf4fcee685c6f2c43670f3
+  languageName: node
+  linkType: hard
+
 "deep-equal@npm:~1.1.1":
   version: 1.1.1
   resolution: "deep-equal@npm:1.1.1"
@@ -7850,6 +7884,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"get-func-name@npm:^2.0.1":
+  version: 2.0.2
+  resolution: "get-func-name@npm:2.0.2"
+  checksum: 3f62f4c23647de9d46e6f76d2b3eafe58933a9b3830c60669e4180d6c601ce1b4aa310ba8366143f55e52b139f992087a9f0647274e8745621fa2af7e0acf13b
+  languageName: node
+  linkType: hard
+
 "get-intrinsic@npm:^1.0.2, get-intrinsic@npm:^1.1.0, get-intrinsic@npm:^1.1.1, get-intrinsic@npm:^1.1.3":
   version: 1.1.3
   resolution: "get-intrinsic@npm:1.1.3"
@@ -10448,6 +10489,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"loupe@npm:^3.1.0":
+  version: 3.1.0
+  resolution: "loupe@npm:3.1.0"
+  dependencies:
+    get-func-name: ^2.0.1
+  checksum: e23814854ab2571e3f753b7c198bfe016c708f3a435501624dd6ff79b6a5544e14b0f28cfc0432eb22e9da9177b1533491871aca3f94d56b19fecc0d4a766e58
+  languageName: node
+  linkType: hard
+
 "lower-case-first@npm:^1.0.0":
   version: 1.0.2
   resolution: "lower-case-first@npm:1.0.2"
@@ -12174,6 +12224,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"pathval@npm:^2.0.0":
+  version: 2.0.0
+  resolution: "pathval@npm:2.0.0"
+  checksum: 682b6a6289de7990909effef7dae9aa7bb6218c0426727bccf66a35b34e7bfbc65615270c5e44e3c9557a5cb44b1b9ef47fc3cb18bce6ad3ba92bcd28467ed7d
+  languageName: node
+  linkType: hard
+
 "pbkdf2@npm:^3.0.17, pbkdf2@npm:^3.0.3, pbkdf2@npm:^3.0.9":
   version: 3.1.2
   resolution: "pbkdf2@npm:3.1.2"
@@ -15519,7 +15576,7 @@ __metadata:
     "@typescript-eslint/eslint-plugin": ^5
     "@typescript-eslint/parser": ^5
     axios: ^1.2.1
-    chai: ^4
+    chai: ^5
     concurrently: ^7.5.0
     customerio-node: ^3
     dotenv: ^16