diff --git a/dnsq.c b/dnsq.c
index 533e6af..c2c998d 100644
--- a/dnsq.c
+++ b/dnsq.c
@@ -10,6 +10,7 @@
 #include "printpacket.h"
 #include "parsetype.h"
 #include "dns.h"
+#include <unistd.h>
 
 #define FATAL "dnsq: fatal: "
 
diff --git a/dnsqr.c b/dnsqr.c
index ff8ea6e..77418b2 100644
--- a/dnsqr.c
+++ b/dnsqr.c
@@ -9,6 +9,7 @@
 #include "printpacket.h"
 #include "parsetype.h"
 #include "dns.h"
+#include <unistd.h>
 
 #define FATAL "dnsqr: fatal: "
 
diff --git a/utime.c b/utime.c
index 4b7984f..be6c936 100644
--- a/utime.c
+++ b/utime.c
@@ -1,5 +1,6 @@
 #include <sys/types.h>
 #include <sys/time.h>
+#include <utime.h>
 #include "scan.h"
 #include "exit.h"