diff --git a/assign5.md b/assign5.md
index ed89c14adfb79dc2fb51b19517762b23c86460fc..fd140fa7b0b7afb645122074603965b1f2be199d 100644
--- a/assign5.md
+++ b/assign5.md
@@ -1,5 +1,5 @@
 ## Project 5: B+-trees
-### Due Oct 20, 2023, 11:59PM
+### Due Oct 27, 2023, 11:59PM
 
 *The assignment is to be done by yourself.*