diff --git a/lib/constants.ts b/lib/constants.ts
index 7092724..93f3bca 100644
--- a/lib/constants.ts
+++ b/lib/constants.ts
@@ -1,2 +1,2 @@
 export const DATE_TIME_FORMAT = "yyyy-MM-dd HH:mm:ss";
-export const DATE_FORMAT = "yyyy-mm-dd";
+export const DATE_FORMAT = "yyyy-MM-dd";