diff --git a/package-lock.json b/package-lock.json
index 7532014c..b039a833 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,7 +17,7 @@
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+			"resolved": "https://registry.npmjs.org/@types/chai/-/chai-5.0.1.tgz",
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 			"dev": true,
-			"license": "MIT"
+			"dependencies": {
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+			}
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+			"resolved": "https://registry.npmjs.org/@types/deep-eql/-/deep-eql-4.0.2.tgz",
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+			"resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-2.0.1.tgz",
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 			"dev": true,
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+				"node": ">=12"
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@@ -2366,21 +2374,19 @@
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+			"version": "5.1.2",
+			"resolved": "https://registry.npmjs.org/chai/-/chai-5.1.2.tgz",
+			"integrity": "sha512-aGtmf24DW6MLHHG5gCx4zaI3uBq3KRtxeVs0DjFH6Z0rDNbsvTxFASFvdj79pxjxZ8/5u3PIiN3IwEIQkiiuPw==",
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-				"deep-eql": "^4.1.3",
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-				"loupe": "^2.3.6",
-				"pathval": "^1.1.1",
-				"type-detect": "^4.1.0"
+				"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": ">=12"
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@@ -2400,15 +2406,12 @@
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+			"version": "2.1.1",
+			"resolved": "https://registry.npmjs.org/check-error/-/check-error-2.1.1.tgz",
+			"integrity": "sha512-OAlb+T7V4Op9OwdkjmguYRqncdlx5JiofwOAUkmTF+jNdHwzTaTs4sRAGpzLF3oOz5xAyDGrPgeIDFQmDOTiJw==",
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-			"dependencies": {
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-			},
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+				"node": ">= 16"
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@@ -2901,13 +2904,10 @@
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+			"version": "5.0.2",
+			"resolved": "https://registry.npmjs.org/deep-eql/-/deep-eql-5.0.2.tgz",
+			"integrity": "sha512-h5k/5U50IJJFpzfL6nO9jaaumfjO/f2NjK/oYB2Djzm4p9L+3T9qWpZqZ2hAbLPuuYq9wrU08WQyBTL5GbPk5Q==",
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@@ -3944,15 +3944,6 @@
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@@ -5238,13 +5229,10 @@
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-			"dev": true,
-			"dependencies": {
-				"get-func-name": "^2.0.0"
-			}
+			"version": "3.1.2",
+			"resolved": "https://registry.npmjs.org/loupe/-/loupe-3.1.2.tgz",
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+			"dev": true
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 		"node_modules/lowercase-keys": {
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@@ -6147,12 +6135,12 @@
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+			"version": "2.0.0",
+			"resolved": "https://registry.npmjs.org/pathval/-/pathval-2.0.0.tgz",
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 			"dev": true,
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+				"node": ">= 14.16"
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@@ -7248,15 +7236,6 @@
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-			"resolved": "https://registry.npmjs.org/type-detect/-/type-detect-4.1.0.tgz",
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-			"dev": true,
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diff --git a/package.json b/package.json
index e96237f2..ec555c82 100644
--- a/package.json
+++ b/package.json
@@ -336,7 +336,7 @@
 	},
 	"devDependencies": {
 		"@stylistic/eslint-plugin": "^2.11.0",
-		"@types/chai": "^4.3.20",
+		"@types/chai": "^5.0.1",
 		"@types/fs-extra": "^11.0.4",
 		"@types/glob": "^8.1.0",
 		"@types/mocha": "^10.0.9",
@@ -345,7 +345,7 @@
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 		"@vscode/test-electron": "^2.3.9",
 		"async-wait-until": "^2.0.12",
-		"chai": "^4.5.0",
+		"chai": "^5.1.2",
 		"eslint": "^9.15.0",
 		"eslint-define-config": "^2.1.0",
 		"eslint-plugin-chai-friendly": "^1.0.1",