diff --git a/db/teaching/cse4_562/2018sp/schedule.json b/db/teaching/cse4_562/2018sp/schedule.json
index d345676e..2cc4471e 100644
--- a/db/teaching/cse4_562/2018sp/schedule.json
+++ b/db/teaching/cse4_562/2018sp/schedule.json
@@ -389,7 +389,7 @@
   {
     "date": "May 7",
     "type": "Lecture",
-    "due": "",
+    "due": "Homework 3",
     "topic": "Buffer Day",
     "materials": {
     }
diff --git a/src/teaching/cse-562/2018sp/homeworks/homework3.pdf b/src/teaching/cse-562/2018sp/homeworks/homework3.pdf
new file mode 100644
index 00000000..a665b6a5
Binary files /dev/null and b/src/teaching/cse-562/2018sp/homeworks/homework3.pdf differ