diff --git a/package-lock.json b/package-lock.json
index 9439cce3..de4be313 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -43,7 +43,7 @@
         "@types/sinon": "^10.0.0",
         "@types/tmp": "^0.2.0",
         "@types/write-file-atomic": "^4.0.0",
-        "c8": "^8.0.0",
+        "c8": "^9.0.0",
         "cross-spawn": "^7.0.3",
         "fs-extra": "^11.0.0",
         "inline-fixtures": "^1.1.0",
@@ -1062,19 +1062,18 @@
       "dev": true
     },
     "node_modules/c8": {
-      "version": "8.0.1",
-      "resolved": "https://registry.npmjs.org/c8/-/c8-8.0.1.tgz",
-      "integrity": "sha512-EINpopxZNH1mETuI0DzRA4MZpAUH+IFiRhnmFD3vFr3vdrgxqi3VfE3KL0AIL+zDq8rC9bZqwM/VDmmoe04y7w==",
+      "version": "9.0.0",
+      "resolved": "https://registry.npmjs.org/c8/-/c8-9.0.0.tgz",
+      "integrity": "sha512-nFJhU2Cz6Frh2awk3IW7wwk3wx27/U2v8ojQCHGc1GWTCHS6aMu4lal327/ZnnYj7oSThGF1X3qUP1yzAJBcOQ==",
       "dev": true,
       "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",
@@ -1084,7 +1083,7 @@
         "c8": "bin/c8.js"
       },
       "engines": {
-        "node": ">=12"
+        "node": ">=14.14.0"
       }
     },
     "node_modules/cacheable-lookup": {
@@ -1945,16 +1944,31 @@
       "integrity": "sha512-36yxDn5H7OFZQla0/jFJmbIKTdZAQHngCedGxiMmpNfEZM0sdEeT+WczLQrjK6D7o2aiyLYDnkw0R3JK0Qv1RQ=="
     },
     "node_modules/foreground-child": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/foreground-child/-/foreground-child-2.0.0.tgz",
-      "integrity": "sha512-dCIq9FpEcyQyXKCkyzmlPTFNgrCzPudOe+mhvJU5zAtlBnGVy2yKxtfsxK2tQBThwq225jcvBjpw1Gr40uzZCA==",
+      "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,
       "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/foreground-child/node_modules/signal-exit": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-4.1.0.tgz",
+      "integrity": "sha512-bzyZ1e88w9O1iNJbKnOlvYTrWPDl46O1bG0D3XInv+9tkPrxrN8jUUTiFlDkkmKWgn1M6CfIA13SuGqOa9Korw==",
+      "dev": true,
+      "engines": {
+        "node": ">=14"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/isaacs"
       }
     },
     "node_modules/fs-extra": {
diff --git a/package.json b/package.json
index 0a4cb4b8..710f5cdf 100644
--- a/package.json
+++ b/package.json
@@ -74,7 +74,7 @@
     "@types/sinon": "^10.0.0",
     "@types/tmp": "^0.2.0",
     "@types/write-file-atomic": "^4.0.0",
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "cross-spawn": "^7.0.3",
     "fs-extra": "^11.0.0",
     "inline-fixtures": "^1.1.0",