diff --git a/_aa174a_aut2324/hw4_part_1.markdown b/_aa174a_aut2324/hw4_part_1.markdown
index 1561bf9..745e1c9 100644
--- a/_aa174a_aut2324/hw4_part_1.markdown
+++ b/_aa174a_aut2324/hw4_part_1.markdown
@@ -2,7 +2,7 @@
 title:  "Homework #4 (Part 1)"
 seq_number: 4
 posted_date:   2023-11-03 11:59:00
-due_date:   2023-11-17 23:59:59
+due_date:   2023-11-21 23:59:59
 pdf_link: "pdfs/homework/hw4_part_1.pdf"
 md_group: "assignments"
 ---
diff --git a/aa174a_aut2324/pdfs/homework/hw4_part_1.pdf b/aa174a_aut2324/pdfs/homework/hw4_part_1.pdf
index de22a73..f4ed5e2 100644
Binary files a/aa174a_aut2324/pdfs/homework/hw4_part_1.pdf and b/aa174a_aut2324/pdfs/homework/hw4_part_1.pdf differ