diff --git a/package-lock.json b/package-lock.json
index 0d5ff39..262db6b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,7 +14,7 @@
       },
       "devDependencies": {
         "ava": "6.0.1",
-        "c8": "9.0.0",
+        "c8": "9.1.0",
         "file-url": "4.0.0",
         "prettier": "3.1.1",
         "tempy": "3.1.0"
@@ -419,9 +419,9 @@
       }
     },
     "node_modules/c8": {
-      "version": "9.0.0",
-      "resolved": "https://registry.npmjs.org/c8/-/c8-9.0.0.tgz",
-      "integrity": "sha512-nFJhU2Cz6Frh2awk3IW7wwk3wx27/U2v8ojQCHGc1GWTCHS6aMu4lal327/ZnnYj7oSThGF1X3qUP1yzAJBcOQ==",
+      "version": "9.1.0",
+      "resolved": "https://registry.npmjs.org/c8/-/c8-9.1.0.tgz",
+      "integrity": "sha512-mBWcT5iqNir1zIkzSPyI3NCR9EZCVI3WUD+AVO17MVWTSFNyUueXE82qTeampNtTr+ilN/5Ua3j24LgbCKjDVg==",
       "dev": true,
       "dependencies": {
         "@bcoe/v8-coverage": "^0.2.3",
diff --git a/package.json b/package.json
index 7a05063..51e2abc 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
   },
   "devDependencies": {
     "ava": "6.0.1",
-    "c8": "9.0.0",
+    "c8": "9.1.0",
     "file-url": "4.0.0",
     "prettier": "3.1.1",
     "tempy": "3.1.0"