diff --git a/Resources/Prototypes/holidays.yml b/Resources/Prototypes/holidays.yml
index 8a516ead55..db4816a95d 100644
--- a/Resources/Prototypes/holidays.yml
+++ b/Resources/Prototypes/holidays.yml
@@ -55,6 +55,12 @@
   beginDay: 29
   beginMonth: February
 
+- type: holiday
+  id: MikuDay
+  name: Hatsune Miku Day
+  beginDay: 9
+  beginMonth: March
+
 - type: holiday
   id: PiDay
   name: Pi Day