diff --git a/package.json b/package.json
index 2db94879..7b67447e 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "@maxmilton/test-utils": "0.0.18",
     "@types/bun": "1.4.0",
     "@types/node": "26.3.0",
-    "c8": "11.0.0",
+    "c8": "12.0.0",
     "ekscss": "workspace:*",
     "eslint": "10.9.1",
     "eslint-plugin-unicorn": "70.0.0",