diff --git a/src/symbol-icon-theme.json b/src/symbol-icon-theme.json
index fab06f67..963081d0 100644
--- a/src/symbol-icon-theme.json
+++ b/src/symbol-icon-theme.json
@@ -557,6 +557,7 @@
     "postcss.config.cjs": "postcss",
     "postcss.config.ts": "postcss",
     "postcss.config.cts": "postcss",
+    "postcss.config.mts": "postcss",
     ".postcssrc.js": "postcss",
     ".postcssrc.cjs": "postcss",
     ".postcssrc.ts": "postcss",
@@ -786,6 +787,7 @@
     "tailwind.config.cjs": "tailwind",
     "tailwind.config.ts": "tailwind",
     "tailwind.config.cts": "tailwind",
+    "tailwind.config.mts": "tailwind",
     "tsconfig.json": "tsconfig",
     "tsconfig.app.json": "tsconfig",
     "tsconfig.editor.json": "tsconfig",