diff --git a/package.json b/package.json
index 7ae6990..836b71e 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "@nomicfoundation/hardhat-verify": "^2.0.11",
     "@typechain/ethers-v6": "^0.5.1",
     "@typechain/hardhat": "^9.1.0",
-    "@types/chai": "^4.2.0",
+    "@types/chai": "^5.0.0",
     "@types/mocha": ">=9.1.0",
     "@types/node": ">=18.0.0",
     "chai": "4",
diff --git a/yarn.lock b/yarn.lock
index 11be0de..d05d54f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -878,10 +878,18 @@
   resolved "https://registry.yarnpkg.com/@types/chai/-/chai-5.0.0.tgz#7f981e71e69c9b2d422f58f78de1c59179782133"
   integrity sha512-+DwhEHAaFPPdJ2ral3kNHFQXnTfscEEFsUxzD+d7nlcLrFK23JtNjH71RGasTcHb88b4vVi4mTyfpf8u2L8bdA==
 
-"@types/chai@^4.2.0":
-  version "4.3.20"
-  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.3.20.tgz#cb291577ed342ca92600430841a00329ba05cecc"
-  integrity sha512-/pC9HAB5I/xMlc5FP77qjCnI16ChlJfW0tGa0IUcFn38VJrTV6DeZ60NU5KZBtaOZqjdpwTWohz5HU1RrhiYxQ==
+"@types/chai@^5.0.0":
+  version "5.2.3"
+  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-5.2.3.tgz#8e9cd9e1c3581fa6b341a5aed5588eb285be0b4a"
+  integrity sha512-Mw558oeA9fFbv65/y4mHtXDs9bPnFMZAL/jxdPFUpOHHIXX91mcgEHbS5Lahr+pwZFR8A7GQleRWeI6cGFC2UA==
+  dependencies:
+    "@types/deep-eql" "*"
+    assertion-error "^2.0.1"
+
+"@types/deep-eql@*":
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/@types/deep-eql/-/deep-eql-4.0.2.tgz#334311971d3a07121e7eb91b684a605e7eea9cbd"
+  integrity sha512-c9h9dVVMigMPc4bwTvC5dxqtqJZwQPePsWjPlpSOnojbor6pGqdk541lfA7AqFQr5pB1BRdq0juY9db81BwyFw==
 
 "@types/glob@^7.1.1":
   version "7.2.0"
@@ -1128,6 +1136,11 @@ assertion-error@^1.1.0:
   resolved "https://registry.yarnpkg.com/assertion-error/-/assertion-error-1.1.0.tgz#e60b6b0e8f301bd97e5375215bda406c85118c0b"
   integrity sha512-jgsaNduz+ndvGyFt3uSuWqvy4lCnIJiovtouQN5JZHOKCS2QuhEdbcQHFhVksz2N2U9hXJo8odG7ETyWlEeuDw==
 
+assertion-error@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/assertion-error/-/assertion-error-2.0.1.tgz#f641a196b335690b1070bf00b6e7593fec190bf7"
+  integrity sha512-Izi8RQcffqCeNVgFigKli1ssklIbpHnCYc6AknXGYoB6grJqyeby7jv12JUQgmTAnIDnbck1uxksT4dzN3PWBA==
+
 astral-regex@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/astral-regex/-/astral-regex-2.0.0.tgz#483143c567aeed4785759c0865786dc77d7d2e31"