diff --git a/src/network/access/qabstractnetworkcache.cpp b/src/network/access/qabstractnetworkcache.cpp
index a30630bb3be..dd69095f5ed 100644
--- a/src/network/access/qabstractnetworkcache.cpp
+++ b/src/network/access/qabstractnetworkcache.cpp
@@ -43,6 +43,7 @@
 #include <qdatastream.h>
 #include <qdatetime.h>
 #include <qurl.h>
+#include <qhash.h>
 
 #include <qdebug.h>
 
diff --git a/src/network/access/qnetworkaccesscachebackend.cpp b/src/network/access/qnetworkaccesscachebackend.cpp
index 9ed951751a1..90659a64ecc 100644
--- a/src/network/access/qnetworkaccesscachebackend.cpp
+++ b/src/network/access/qnetworkaccesscachebackend.cpp
@@ -44,6 +44,7 @@
 #include "qfileinfo.h"
 #include "qdir.h"
 #include "qcoreapplication.h"
+#include "qhash.h"
 
 QT_BEGIN_NAMESPACE
 
diff --git a/src/network/access/qnetworkdiskcache.cpp b/src/network/access/qnetworkdiskcache.cpp
index 5c165e2e5d6..5f168be258d 100644
--- a/src/network/access/qnetworkdiskcache.cpp
+++ b/src/network/access/qnetworkdiskcache.cpp
@@ -52,6 +52,7 @@
 #include <qurl.h>
 #include <qcryptographichash.h>
 #include <qdebug.h>
+#include <QMultiMap>
 
 #include <memory>