diff --git a/lesson_09/oop/oop_app/src/main/java/com/codedifferently/lesson9/AaronSantiago/Book.java b/lesson_09/oop/oop_app/src/main/java/com/codedifferently/lesson9/AaronSantiago/Book.java
index 41f716ae..b4580487 100644
--- a/lesson_09/oop/oop_app/src/main/java/com/codedifferently/lesson9/AaronSantiago/Book.java
+++ b/lesson_09/oop/oop_app/src/main/java/com/codedifferently/lesson9/AaronSantiago/Book.java
@@ -1,4 +1,4 @@
-package com.codedifferently.lesson9.library;
+package com.codedifferently.lesson9.AaronSantiago;
 
 class Book {
   private String title;
diff --git a/lesson_09/oop/oop_app/src/main/java/com/codedifferently/lesson9/AaronSantiago/LibraryBuildingLog.java b/lesson_09/oop/oop_app/src/main/java/com/codedifferently/lesson9/AaronSantiago/LibraryBuildingLog.java
index 2518d7be..3aa58c25 100644
--- a/lesson_09/oop/oop_app/src/main/java/com/codedifferently/lesson9/AaronSantiago/LibraryBuildingLog.java
+++ b/lesson_09/oop/oop_app/src/main/java/com/codedifferently/lesson9/AaronSantiago/LibraryBuildingLog.java
@@ -1,4 +1,4 @@
-package com.codedifferently.lesson9.library;
+package com.codedifferently.lesson9.AaronSantiago;
 
 import java.util.ArrayList;
 import java.util.HashMap;
diff --git a/lesson_09/oop/oop_app/src/main/java/com/codedifferently/lesson9/AaronSantiago/LibraryGuest.java b/lesson_09/oop/oop_app/src/main/java/com/codedifferently/lesson9/AaronSantiago/LibraryGuest.java
index 23bfe12d..b684fdba 100644
--- a/lesson_09/oop/oop_app/src/main/java/com/codedifferently/lesson9/AaronSantiago/LibraryGuest.java
+++ b/lesson_09/oop/oop_app/src/main/java/com/codedifferently/lesson9/AaronSantiago/LibraryGuest.java
@@ -1,4 +1,4 @@
-package com.codedifferently.lesson9.library;
+package com.codedifferently.lesson9.AaronSantiago;
 
 import java.util.ArrayList;
 import java.util.List;
diff --git a/lesson_09/oop/oop_app/src/test/java/com/codedifferently/lesson9/AaronSantiago/BookTest.java b/lesson_09/oop/oop_app/src/test/java/com/codedifferently/lesson9/AaronSantiago/BookTest.java
index 3757b161..f7cf8dad 100644
--- a/lesson_09/oop/oop_app/src/test/java/com/codedifferently/lesson9/AaronSantiago/BookTest.java
+++ b/lesson_09/oop/oop_app/src/test/java/com/codedifferently/lesson9/AaronSantiago/BookTest.java
@@ -1,4 +1,4 @@
-package com.codedifferently.lesson9.library;
+package com.codedifferently.lesson9.AaronSantiago;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
diff --git a/lesson_09/oop/oop_app/src/test/java/com/codedifferently/lesson9/AaronSantiago/LibraryBuildingLogTest.java b/lesson_09/oop/oop_app/src/test/java/com/codedifferently/lesson9/AaronSantiago/LibraryBuildingLogTest.java
index d2432651..0b2e7117 100644
--- a/lesson_09/oop/oop_app/src/test/java/com/codedifferently/lesson9/AaronSantiago/LibraryBuildingLogTest.java
+++ b/lesson_09/oop/oop_app/src/test/java/com/codedifferently/lesson9/AaronSantiago/LibraryBuildingLogTest.java
@@ -1,4 +1,4 @@
-package com.codedifferently.lesson9.library;
+package com.codedifferently.lesson9.AaronSantiago;
 
 import static org.junit.jupiter.api.Assertions.*;
 
diff --git a/lesson_09/oop/oop_app/src/test/java/com/codedifferently/lesson9/AaronSantiago/LibraryGuestTest.java b/lesson_09/oop/oop_app/src/test/java/com/codedifferently/lesson9/AaronSantiago/LibraryGuestTest.java
index 25e00e79..b1b4b2ac 100644
--- a/lesson_09/oop/oop_app/src/test/java/com/codedifferently/lesson9/AaronSantiago/LibraryGuestTest.java
+++ b/lesson_09/oop/oop_app/src/test/java/com/codedifferently/lesson9/AaronSantiago/LibraryGuestTest.java
@@ -1,4 +1,4 @@
-package com.codedifferently.lesson9.library;
+package com.codedifferently.lesson9.AaronSantiago;
 
 import static org.junit.jupiter.api.Assertions.*;