diff --git a/src/world/Actor/Chara.h b/src/world/Actor/Chara.h
index aab58dec..a6aee7c0 100644
--- a/src/world/Actor/Chara.h
+++ b/src/world/Actor/Chara.h
@@ -9,6 +9,7 @@
 #include <map>
 #include <queue>
 #include <array>
+#include <string>
 
 namespace Sapphire::Entity
 {
diff --git a/src/world/Actor/EventObject.h b/src/world/Actor/EventObject.h
index c497bf1f..472c05e5 100644
--- a/src/world/Actor/EventObject.h
+++ b/src/world/Actor/EventObject.h
@@ -2,6 +2,7 @@
 #define SAPPHIRE_INSTANCEOBJECT_H
 
 #include "Actor.h"
+#include <string>
 
 namespace Sapphire::Entity
 {
diff --git a/src/world/Inventory/ItemContainer.h b/src/world/Inventory/ItemContainer.h
index 5e830335..3b47cb3c 100644
--- a/src/world/Inventory/ItemContainer.h
+++ b/src/world/Inventory/ItemContainer.h
@@ -2,6 +2,7 @@
 #define _ITEMCONTAINER_H_
 
 #include <map>
+#include <string>
 #include <Common.h>
 #include "ForwardsZone.h"
 
diff --git a/src/world/Manager/MarketMgr.h b/src/world/Manager/MarketMgr.h
index a9a69529..3271df59 100644
--- a/src/world/Manager/MarketMgr.h
+++ b/src/world/Manager/MarketMgr.h
@@ -4,6 +4,7 @@
 #include "ForwardsZone.h"
 
 #include <vector>
+#include <string_view>
 
 namespace Sapphire::World::Manager
 {
diff --git a/src/world/Manager/NaviMgr.h b/src/world/Manager/NaviMgr.h
index 3c08d886..b4d29ade 100644
--- a/src/world/Manager/NaviMgr.h
+++ b/src/world/Manager/NaviMgr.h
@@ -4,6 +4,7 @@
 #include "ForwardsZone.h"
 
 #include <array>
+#include <string>
 
 namespace Sapphire::World::Manager
 {
diff --git a/src/world/Territory/Territory.h b/src/world/Territory/Territory.h
index 23b1f505..a52ef06f 100644
--- a/src/world/Territory/Territory.h
+++ b/src/world/Territory/Territory.h
@@ -15,6 +15,7 @@
 
 #include <stdio.h>
 #include <string.h>
+#include <string>
 
 namespace Sapphire
 {