diff --git a/package.json b/package.json
index 72a45e0c..84c10612 100644
--- a/package.json
+++ b/package.json
@@ -65,7 +65,7 @@
     "@vue/test-utils": "^2.4.3",
     "@vue/tsconfig": "^0.5.1",
     "autoprefixer": "^10.4.16",
-    "c8": "^8.0.1",
+    "c8": "^9.0.0",
     "cheerio": "^1.0.0-rc.12",
     "commitizen": "^4.3.0",
     "cross-env": "^7.0.3",
diff --git a/yarn.lock b/yarn.lock
index e70fdd3f..bd33288d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2041,19 +2041,18 @@ builtins@^5.0.0, builtins@^5.0.1:
   dependencies:
     semver "^7.0.0"
 
-c8@^8.0.1:
-  version "8.0.1"
-  resolved "https://registry.yarnpkg.com/c8/-/c8-8.0.1.tgz#bafd60be680e66c5530ee69f621e45b1364af9fd"
-  integrity sha512-EINpopxZNH1mETuI0DzRA4MZpAUH+IFiRhnmFD3vFr3vdrgxqi3VfE3KL0AIL+zDq8rC9bZqwM/VDmmoe04y7w==
+c8@^9.0.0:
+  version "9.1.0"
+  resolved "https://registry.yarnpkg.com/c8/-/c8-9.1.0.tgz#0e57ba3ab9e5960ab1d650b4a86f71e53cb68112"
+  integrity sha512-mBWcT5iqNir1zIkzSPyI3NCR9EZCVI3WUD+AVO17MVWTSFNyUueXE82qTeampNtTr+ilN/5Ua3j24LgbCKjDVg==
   dependencies:
     "@bcoe/v8-coverage" "^0.2.3"
     "@istanbuljs/schema" "^0.1.3"
     find-up "^5.0.0"
-    foreground-child "^2.0.0"
+    foreground-child "^3.1.1"
     istanbul-lib-coverage "^3.2.0"
     istanbul-lib-report "^3.0.1"
     istanbul-reports "^3.1.6"
-    rimraf "^3.0.2"
     test-exclude "^6.0.0"
     v8-to-istanbul "^9.0.0"
     yargs "^17.7.2"
@@ -3554,15 +3553,7 @@ for-each@^0.3.3:
   dependencies:
     is-callable "^1.1.3"
 
-foreground-child@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/foreground-child/-/foreground-child-2.0.0.tgz#71b32800c9f15aa8f2f83f4a6bd9bff35d861a53"
-  integrity sha512-dCIq9FpEcyQyXKCkyzmlPTFNgrCzPudOe+mhvJU5zAtlBnGVy2yKxtfsxK2tQBThwq225jcvBjpw1Gr40uzZCA==
-  dependencies:
-    cross-spawn "^7.0.0"
-    signal-exit "^3.0.2"
-
-foreground-child@^3.1.0:
+foreground-child@^3.1.0, foreground-child@^3.1.1:
   version "3.1.1"
   resolved "https://registry.npmjs.org/foreground-child/-/foreground-child-3.1.1.tgz"
   integrity sha512-TMKDUnIte6bfb5nWv7V/caI169OHgvwjb7V4WkeUvbQQdjr5rWKqHFiKWb/fcOwB+CzBT+qbWjvj+DVwRskpIg==