diff --git a/package-lock.json b/package-lock.json
index 41617d9..23fb3c6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -35,7 +35,7 @@
         "@typescript-eslint/eslint-plugin": "^6.17.0",
         "@typescript-eslint/parser": "^6.17.0",
         "@vercel/ncc": "^0.38.1",
-        "c8": "^8.0.1",
+        "c8": "^9.1.0",
         "chai": "^4.3.10",
         "chai-as-promised": "^7.1.1",
         "eslint": "^8.56.0",
@@ -1067,18 +1067,18 @@
       }
     },
     "node_modules/c8": {
-      "version": "8.0.1",
+      "version": "9.1.0",
+      "resolved": "https://registry.npmjs.org/c8/-/c8-9.1.0.tgz",
+      "integrity": "sha512-mBWcT5iqNir1zIkzSPyI3NCR9EZCVI3WUD+AVO17MVWTSFNyUueXE82qTeampNtTr+ilN/5Ua3j24LgbCKjDVg==",
       "dev": true,
-      "license": "ISC",
       "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",
@@ -1088,7 +1088,7 @@
         "c8": "bin/c8.js"
       },
       "engines": {
-        "node": ">=12"
+        "node": ">=14.14.0"
       }
     },
     "node_modules/call-bind": {
@@ -2217,15 +2217,19 @@
       }
     },
     "node_modules/foreground-child": {
-      "version": "2.0.0",
+      "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==",
       "dev": true,
-      "license": "ISC",
       "dependencies": {
         "cross-spawn": "^7.0.0",
-        "signal-exit": "^3.0.2"
+        "signal-exit": "^4.0.1"
       },
       "engines": {
-        "node": ">=8.0.0"
+        "node": ">=14"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/isaacs"
       }
     },
     "node_modules/fs.realpath": {
@@ -4087,9 +4091,16 @@
       }
     },
     "node_modules/signal-exit": {
-      "version": "3.0.7",
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-4.1.0.tgz",
+      "integrity": "sha512-bzyZ1e88w9O1iNJbKnOlvYTrWPDl46O1bG0D3XInv+9tkPrxrN8jUUTiFlDkkmKWgn1M6CfIA13SuGqOa9Korw==",
       "dev": true,
-      "license": "ISC"
+      "engines": {
+        "node": ">=14"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/isaacs"
+      }
     },
     "node_modules/sinon": {
       "version": "17.0.1",
diff --git a/package.json b/package.json
index ec53a2f..d6d995b 100644
--- a/package.json
+++ b/package.json
@@ -100,7 +100,7 @@
     "@typescript-eslint/eslint-plugin": "^6.17.0",
     "@typescript-eslint/parser": "^6.17.0",
     "@vercel/ncc": "^0.38.1",
-    "c8": "^8.0.1",
+    "c8": "^9.1.0",
     "chai": "^4.3.10",
     "chai-as-promised": "^7.1.1",
     "eslint": "^8.56.0",