diff --git a/package-lock.json b/package-lock.json
index 7e2b9d7..aed3f30 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
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         "benchmark": "^2.1.4",
-        "chai": "^4.1.0",
+        "chai": "^5.1.2",
         "mocha": "^10.0.0",
         "nyc": "^17.0.0"
       }
@@ -548,12 +548,12 @@
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-      "resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-1.1.0.tgz",
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+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-2.0.1.tgz",
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       "dev": true,
       "engines": {
-        "node": "*"
+        "node": ">=12"
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     "node_modules/balanced-match": {
@@ -686,21 +686,19 @@
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-      "resolved": "https://registry.npmjs.org/chai/-/chai-4.3.7.tgz",
-      "integrity": "sha512-HLnAzZ2iupm25PlN0xFreAlBA5zaBSv3og0DdeGA4Ar6h6rJ3A0rolRUKJhSF2V10GZKDgWF/VmAEsNWjCRB+A==",
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/chai/-/chai-5.1.2.tgz",
+      "integrity": "sha512-aGtmf24DW6MLHHG5gCx4zaI3uBq3KRtxeVs0DjFH6Z0rDNbsvTxFASFvdj79pxjxZ8/5u3PIiN3IwEIQkiiuPw==",
       "dev": true,
       "dependencies": {
-        "assertion-error": "^1.1.0",
-        "check-error": "^1.0.2",
-        "deep-eql": "^4.1.2",
-        "get-func-name": "^2.0.0",
-        "loupe": "^2.3.1",
-        "pathval": "^1.1.1",
-        "type-detect": "^4.0.5"
+        "assertion-error": "^2.0.1",
+        "check-error": "^2.1.1",
+        "deep-eql": "^5.0.1",
+        "loupe": "^3.1.0",
+        "pathval": "^2.0.0"
       },
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-        "node": ">=4"
+        "node": ">=12"
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     "node_modules/chalk": {
@@ -730,12 +728,12 @@
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-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/check-error/-/check-error-1.0.2.tgz",
-      "integrity": "sha512-BrgHpW9NURQgzoNyjfq0Wu6VFO6D7IZEmJNdtgNqpzGG8RuNFHt2jQxWlAs4HMe119chBnv+34syEZtc6IhLtA==",
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/check-error/-/check-error-2.1.1.tgz",
+      "integrity": "sha512-OAlb+T7V4Op9OwdkjmguYRqncdlx5JiofwOAUkmTF+jNdHwzTaTs4sRAGpzLF3oOz5xAyDGrPgeIDFQmDOTiJw==",
       "dev": true,
       "engines": {
-        "node": "*"
+        "node": ">= 16"
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     "node_modules/chokidar": {
@@ -880,13 +878,10 @@
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     "node_modules/deep-eql": {
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-      "resolved": "https://registry.npmjs.org/deep-eql/-/deep-eql-4.1.2.tgz",
-      "integrity": "sha512-gT18+YW4CcW/DBNTwAmqTtkJh7f9qqScu2qFVlx7kCoeY9tlBu9cUcr7+I+Z/noG8INehS3xQgLpTtd/QUTn4w==",
+      "version": "5.0.2",
+      "resolved": "https://registry.npmjs.org/deep-eql/-/deep-eql-5.0.2.tgz",
+      "integrity": "sha512-h5k/5U50IJJFpzfL6nO9jaaumfjO/f2NjK/oYB2Djzm4p9L+3T9qWpZqZ2hAbLPuuYq9wrU08WQyBTL5GbPk5Q==",
       "dev": true,
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-      },
       "engines": {
         "node": ">=6"
       }
@@ -1072,15 +1067,6 @@
         "node": "6.* || 8.* || >= 10.*"
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-    "node_modules/get-func-name": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/get-func-name/-/get-func-name-2.0.0.tgz",
-      "integrity": "sha512-Hm0ixYtaSZ/V7C8FJrtZIuBBI+iSgL+1Aq82zSu8VQNB4S3Gk8e7Qs3VwBDJAhmRZcFqkl3tQu36g/Foh5I5ig==",
-      "dev": true,
-      "engines": {
-        "node": "*"
-      }
-    },
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       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/get-package-type/-/get-package-type-0.1.0.tgz",
@@ -1602,14 +1588,10 @@
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-      "version": "2.3.6",
-      "resolved": "https://registry.npmjs.org/loupe/-/loupe-2.3.6.tgz",
-      "integrity": "sha512-RaPMZKiMy8/JruncMU5Bt6na1eftNoo++R4Y+N2FrxkDVTrGvcyzFTsaGif4QTeKESheMGegbhw6iUAq+5A8zA==",
-      "deprecated": "Please upgrade to 2.3.7 which fixes GHSA-4q6p-r6v2-jvc5",
-      "dev": true,
-      "dependencies": {
-        "get-func-name": "^2.0.0"
-      }
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/loupe/-/loupe-3.1.2.tgz",
+      "integrity": "sha512-23I4pFZHmAemUnz8WZXbYRSKYj801VDaNv9ETuMh7IrMc7VuVVSo+Z9iLE3ni30+U48iDWfi30d3twAXBYmnCg==",
+      "dev": true
     },
     "node_modules/lru-cache": {
       "version": "5.1.1",
@@ -2135,12 +2117,12 @@
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     "node_modules/pathval": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/pathval/-/pathval-1.1.1.tgz",
-      "integrity": "sha512-Dp6zGqpTdETdR63lehJYPeIOqpiNBNtc7BpWSLrOje7UaIsE5aY92r/AunQA7rsXvet3lrJ3JnZX29UPTKXyKQ==",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/pathval/-/pathval-2.0.0.tgz",
+      "integrity": "sha512-vE7JKRyES09KiunauX7nd2Q9/L7lhok4smP9RZTDeD4MVs72Dp2qNFVz39Nz5a0FVEW0BJR6C0DYrq6unoziZA==",
       "dev": true,
       "engines": {
-        "node": "*"
+        "node": ">= 14.16"
       }
     },
     "node_modules/picocolors": {
@@ -2534,15 +2516,6 @@
         "node": ">=8.0"
       }
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-    "node_modules/type-detect": {
-      "version": "4.0.8",
-      "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-4.0.8.tgz",
-      "integrity": "sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g==",
-      "dev": true,
-      "engines": {
-        "node": ">=4"
-      }
-    },
     "node_modules/type-fest": {
       "version": "0.8.1",
       "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-0.8.1.tgz",
diff --git a/package.json b/package.json
index 937dd6a..769f8b8 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
   "homepage": "https://github.com/yahoo/serialize-javascript",
   "devDependencies": {
     "benchmark": "^2.1.4",
-    "chai": "^4.1.0",
+    "chai": "^5.1.2",
     "mocha": "^10.0.0",
     "nyc": "^17.0.0"
   },