diff --git a/src/client.cpp b/src/client.cpp
index aaeeaa4..19a9ba3 100644
--- a/src/client.cpp
+++ b/src/client.cpp
@@ -25,6 +25,7 @@
 
 #include <string.h>
 #include <arpa/inet.h>
+#include <netinet/in.h>
 #include <syslog.h>
 
 using namespace std;
diff --git a/src/echo.cpp b/src/echo.cpp
index 306b7b8..e41d0f7 100644
--- a/src/echo.cpp
+++ b/src/echo.cpp
@@ -28,7 +28,9 @@
 #include <unistd.h>
 #include <errno.h>
 #include <syslog.h>
+#include <stdio.h>
 #include <string.h>
+#include <sys/types.h>
 
 typedef ip IpHeader;
 
diff --git a/src/exception.cpp b/src/exception.cpp
index c698bda..9fb6783 100644
--- a/src/exception.cpp
+++ b/src/exception.cpp
@@ -20,6 +20,7 @@
 #include "exception.h"
 
 #include <errno.h>
+#include <stdio.h>
 #include <string.h>
 
 using namespace std;
diff --git a/src/main.cpp b/src/main.cpp
index b7ec92f..6177341 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -24,12 +24,16 @@
 #include <stdio.h>
 #include <arpa/inet.h>
 #include <netinet/in.h>
+#include <sys/types.h>
+#include <stdlib.h>
 #include <pwd.h>
 #include <netdb.h>
+// #include <uuid/uuid.h>
 #include <string.h>
-#include <stdlib.h>
 #include <errno.h>
 #include <syslog.h>
+#include <unistd.h>
+#include <sys/socket.h>
 
 void usage()
 {
diff --git a/src/tunemu.c b/src/tunemu.c
index 4765430..a4bced1 100644
--- a/src/tunemu.c
+++ b/src/tunemu.c
@@ -28,6 +28,8 @@
 
 #include "tunemu.h"
 
+#include <sys/types.h>
+#include <sys/io.h>
 #include <sys/socket.h>
 #include <unistd.h>
 #include <sys/ioctl.h>
@@ -42,6 +44,7 @@
 #include <stdint.h>
 #include <ctype.h>
 #include <fcntl.h>
+#include <string.h>
 
 #define PPPPROTO_CTL 1
 
diff --git a/src/utility.cpp b/src/utility.cpp
index 229307e..56cc684 100644
--- a/src/utility.cpp
+++ b/src/utility.cpp
@@ -21,6 +21,7 @@
 
 #include <stdlib.h>
 #include <stdio.h>
+#include <time.h>
 
 using namespace std;
 
diff --git a/src/worker.cpp b/src/worker.cpp
index 4ba7bc7..c9c770d 100644
--- a/src/worker.cpp
+++ b/src/worker.cpp
@@ -24,7 +24,9 @@
 
 #include <string.h>
 #include <syslog.h>
+#include <sys/types.h>
 #include <unistd.h>
+#include <sys/select.h>
 
 using namespace std;
 
diff --git a/src/worker.h b/src/worker.h
index f13e19a..5e4aba7 100644
--- a/src/worker.h
+++ b/src/worker.h
@@ -25,6 +25,7 @@
 #include "tun.h"
 
 #include <string>
+#include <sys/types.h>
 
 class Worker
 {