diff --git a/OdbDesignLib/ProductModel/Net.cpp b/OdbDesignLib/ProductModel/Net.cpp
index 56220c5f..a3ed5cf4 100644
--- a/OdbDesignLib/ProductModel/Net.cpp
+++ b/OdbDesignLib/ProductModel/Net.cpp
@@ -4,6 +4,7 @@
 #include "Pin.h"
 #include "../ProtoBuf/net.pb.h"
 #include <string>
+#include "PinConnection.h"
 
 
 namespace Odb::Lib::ProductModel
diff --git a/OdbDesignLib/ProductModel/Package.cpp b/OdbDesignLib/ProductModel/Package.cpp
index b9df375c..78bb5cb3 100644
--- a/OdbDesignLib/ProductModel/Package.cpp
+++ b/OdbDesignLib/ProductModel/Package.cpp
@@ -1,6 +1,8 @@
 #include "Package.h"
 #include <string>
 #include "../ProtoBuf/package.pb.h"
+#include "Pin.h"
+#include <memory>
 
 namespace Odb::Lib::ProductModel
 {
diff --git a/OdbDesignLib/ProductModel/Part.cpp b/OdbDesignLib/ProductModel/Part.cpp
index d4148684..8427c6ed 100644
--- a/OdbDesignLib/ProductModel/Part.cpp
+++ b/OdbDesignLib/ProductModel/Part.cpp
@@ -1,6 +1,7 @@
 #include "Part.h"
 #include <string>
 #include "../ProtoBuf/part.pb.h"
+#include <memory>
 
 namespace Odb::Lib::ProductModel
 {
diff --git a/OdbDesignLib/ProductModel/Via.cpp b/OdbDesignLib/ProductModel/Via.cpp
index 1da0d1ea..98473745 100644
--- a/OdbDesignLib/ProductModel/Via.cpp
+++ b/OdbDesignLib/ProductModel/Via.cpp
@@ -3,6 +3,7 @@
 #include "../ProtoBuf/via.pb.h"
 #include "../ProtoBuf/enums.pb.h"
 #include "../enums.h"
+#include <string>
 
 
 namespace Odb::Lib::ProductModel