diff --git a/package.json b/package.json
index b2575ec..21716c9 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "@eslint/js": "9.11.1",
     "@kie/mock-github": "3.0.0-beta.1",
     "@oliversalzburg/eslint-config": "1.1.0",
-    "@types/chai": "4.3.20",
+    "@types/chai": "5.0.0",
     "@types/eslint": "9.6.1",
     "@types/mocha": "10.0.8",
     "@types/node": "20.16.6",
diff --git a/yarn.lock b/yarn.lock
index 18e391c..01f8145 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -640,7 +640,7 @@ __metadata:
     "@kie/mock-github": "npm:3.0.0-beta.1"
     "@oliversalzburg/eslint-config": "npm:1.1.0"
     "@oliversalzburg/js-utils": "npm:0.1.1"
-    "@types/chai": "npm:4.3.20"
+    "@types/chai": "npm:5.0.0"
     "@types/eslint": "npm:9.6.1"
     "@types/mocha": "npm:10.0.8"
     "@types/node": "npm:20.16.6"
@@ -700,10 +700,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/chai@npm:4.3.20":
-  version: 4.3.20
-  resolution: "@types/chai@npm:4.3.20"
-  checksum: 10c0/4601189d611752e65018f1ecadac82e94eed29f348e1d5430e5681a60b01e1ecf855d9bcc74ae43b07394751f184f6970fac2b5561fc57a1f36e93a0f5ffb6e8
+"@types/chai@npm:5.0.0":
+  version: 5.0.0
+  resolution: "@types/chai@npm:5.0.0"
+  checksum: 10c0/fcce55f2bbb8485fc860a1dcbac17c1a685b598cfc91a55d37b65b1642b921cf736caa8cce9dcc530830d900f78ab95cf43db4e118db34a5176f252cacd9e1e8
   languageName: node
   linkType: hard