diff --git a/package.json b/package.json
index 2c7c919..b6d7ca3 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
   "devDependencies": {
     "@vitest/coverage-v8": "^3.0.5",
     "postcss": "^8.4.39",
-    "tailwindcss": "^3.4.6",
+    "tailwindcss": "^4.0.12",
     "vitest": "^3.0.4"
   },
   "peerDependencies": {