diff --git a/package.json b/package.json
index 8c39f203..246ed0ee 100644
--- a/package.json
+++ b/package.json
@@ -151,7 +151,7 @@
     "@vates/toggle-scripts": "1.0.0",
     "@vitest/coverage-v8": "2.1.3",
     "@vitest/ui": "2.1.3",
-    "chai": "5.1.1",
+    "chai": "5.1.2",
     "chai-each": "0.0.1",
     "chai-string": "1.5.0",
     "consola": "3.2.3",
diff --git a/yarn.lock b/yarn.lock
index 2533346d..219b9f3e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1754,7 +1754,7 @@ __metadata:
     "@vates/toggle-scripts": "npm:1.0.0"
     "@vitest/coverage-v8": "npm:2.1.3"
     "@vitest/ui": "npm:2.1.3"
-    chai: "npm:5.1.1"
+    chai: "npm:5.1.2"
     chai-each: "npm:0.0.1"
     chai-string: "npm:1.5.0"
     consola: "npm:3.2.3"
@@ -3558,16 +3558,16 @@ __metadata:
   languageName: node
   linkType: hard
 
-"chai@npm:5.1.1, chai@npm:^5.1.1":
-  version: 5.1.1
-  resolution: "chai@npm:5.1.1"
+"chai@npm:5.1.2, chai@npm:^5.1.1":
+  version: 5.1.2
+  resolution: "chai@npm:5.1.2"
   dependencies:
     assertion-error: "npm:^2.0.1"
     check-error: "npm:^2.1.1"
     deep-eql: "npm:^5.0.1"
     loupe: "npm:^3.1.0"
     pathval: "npm:^2.0.0"
-  checksum: 10/ee67279a5613bd36dc1dc13660042429ae2f1dc5a9030a6abcf381345866dfb5bce7bc10b9d74c8de86b6f656489f654bbbef3f3361e06925591e6a00c72afff
+  checksum: 10/e8c2bbc83cb5a2f87130d93056d4cfbbe04106e12aa798b504816dbe3fa538a9f68541b472e56cbf0f54558b501d7e31867d74b8218abcd5a8cc8ba536fba46c
   languageName: node
   linkType: hard