diff --git a/package.json b/package.json
index 4379324..b8e6cac 100644
--- a/package.json
+++ b/package.json
@@ -95,7 +95,7 @@
     "@typescript-eslint/eslint-plugin": "^5.57.0",
     "@typescript-eslint/parser": "^5.58.0",
     "@vitejs/plugin-react": "^4.0.0",
-    "@vitest/coverage-c8": "^0.29.8",
+    "@vitest/coverage-c8": "^0.31.1",
     "@vitest/ui": "^0.31.0",
     "eslint": "^8.37.0",
     "eslint-config-standard": "^17.0.0",
diff --git a/yarn.lock b/yarn.lock
index 405acdd..9a560ec 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5,7 +5,7 @@ __metadata:
   version: 6
   cacheKey: 8
 
-"@ampproject/remapping@npm:^2.2.0":
+"@ampproject/remapping@npm:^2.2.0, @ampproject/remapping@npm:^2.2.1":
   version: 2.2.1
   resolution: "@ampproject/remapping@npm:2.2.1"
   dependencies:
@@ -1731,7 +1731,7 @@ __metadata:
     "@typescript-eslint/eslint-plugin": ^5.57.0
     "@typescript-eslint/parser": ^5.58.0
     "@vitejs/plugin-react": ^4.0.0
-    "@vitest/coverage-c8": ^0.29.8
+    "@vitest/coverage-c8": ^0.31.1
     "@vitest/ui": ^0.31.0
     clsx: ^1.2.1
     copy-to-clipboard: ^3.3.3
@@ -2172,16 +2172,18 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@vitest/coverage-c8@npm:^0.29.8":
-  version: 0.29.8
-  resolution: "@vitest/coverage-c8@npm:0.29.8"
+"@vitest/coverage-c8@npm:^0.31.1":
+  version: 0.31.1
+  resolution: "@vitest/coverage-c8@npm:0.31.1"
   dependencies:
+    "@ampproject/remapping": ^2.2.1
     c8: ^7.13.0
+    magic-string: ^0.30.0
     picocolors: ^1.0.0
-    std-env: ^3.3.1
+    std-env: ^3.3.2
   peerDependencies:
-    vitest: ">=0.29.0 <1"
-  checksum: 610bd2917aa160f5bf641f4d4dec539524039ea98fdc98a8d9288c7ea05090d7028d4504b8e1ecc1de1d1700c9a61a55abf285559da2c4bc8df238e559a505f7
+    vitest: ">=0.30.0 <1"
+  checksum: e9924c652c5891418af5965d483b753b5271be016b408a2577ab8b00329537496d4d5c96ebe7eb8b401b028c253da7e324165b61a895b639d1a4b3254cbbb8ce
   languageName: node
   linkType: hard
 
@@ -8784,6 +8786,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"std-env@npm:^3.3.2":
+  version: 3.3.3
+  resolution: "std-env@npm:3.3.3"
+  checksum: 6665f6d8bd63aae432d3eb9abbd7322847ad0d902603e6dce1e8051b4f42ceeb4f7f96a4faf70bb05ce65ceee2dc982502b701575c8a58b1bfad29f3dbb19f81
+  languageName: node
+  linkType: hard
+
 "stop-iteration-iterator@npm:^1.0.0":
   version: 1.0.0
   resolution: "stop-iteration-iterator@npm:1.0.0"