diff --git a/package.json b/package.json
index b80847d..6a4d152 100644
--- a/package.json
+++ b/package.json
@@ -68,7 +68,7 @@
         "rollup-plugin-typescript2": "0.36.0",
         "sinon": "21.0.1",
         "sinon-chai": "4.0.1",
-        "tailwindcss": "4.1.18",
+        "tailwindcss": "4.2.0",
         "ts-node": "10.9.2",
         "typescript": "5.9.3",
         "typescript-eslint": "8.55.0",