diff --git a/package.json b/package.json
index 785ad9e..d2cd332 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
   "devDependencies": {
     "@vitest/coverage-v8": "^2.0.4",
     "postcss": "^8.4.39",
-    "tailwindcss": "^3.4.6",
+    "tailwindcss": "^4.0.3",
     "vitest": "^2.0.4"
   },
   "peerDependencies": {