--- a/src/zmqpp/compatibility.hpp
+++ b/src/zmqpp/compatibility.hpp
@@ -35,6 +35,7 @@
 // Include export file if on windows, generated by cmake only
 #if _WIN32
 	#include "zmqpp_export.h"
+  #include <winsock2.h>
 #else
 	#define ZMQPP_EXPORT
 #endif
--- a/src/zmqpp/zap_request.cpp
+++ b/src/zmqpp/zap_request.cpp
@@ -20,12 +20,16 @@
 #include "z85.hpp"
 #include "byte_ordering.hpp"
 #include <unordered_map>
-
+
 #ifndef _WIN32
 #include <netinet/in.h>
 #endif
 
 #if (ZMQ_VERSION_MAJOR > 3)
+#include <algorithm>
+#include <cstdint>
+#include <iostream>
+#include <iterator>
 
 namespace zmqpp
 {