diff --git a/engine/network/ClientUDP.h b/engine/network/ClientUDP.h
index a50c8fe..c089352 100644
--- a/engine/network/ClientUDP.h
+++ b/engine/network/ClientUDP.h
@@ -8,6 +8,7 @@
 #include "ReliableMsg.h"
 #include "UDPSocket.h"
 #include <memory>
+#include <limits>
 
 class ClientUDP {
 protected:
diff --git a/engine/network/ServerUDP.h b/engine/network/ServerUDP.h
index 29878a4..89a0041 100644
--- a/engine/network/ServerUDP.h
+++ b/engine/network/ServerUDP.h
@@ -10,6 +10,7 @@
 #include "ReliableMsg.h"
 #include "UDPSocket.h"
 #include <memory>
+#include <limits>
 #include <set>
 
 class ServerUDP {