diff --git a/apps/myanmar_calendar/package.json b/apps/myanmar_calendar/package.json
index 654f480..caf30eb 100644
--- a/apps/myanmar_calendar/package.json
+++ b/apps/myanmar_calendar/package.json
@@ -18,7 +18,7 @@
     "burma-calendar": "workspace:*",
     "eslint": "8.40.0",
     "eslint-config-next": "13.4.1",
-    "postcss": "^8.4.23",
+    "postcss": "^8.4.31",
     "tailwindcss": "^3.3.2",
     "typescript": "^5.0.4"
   },