diff --git a/src/time_utils.cpp b/src/time_utils.cpp
index 33a29a3..1c8dbb3 100644
--- a/src/time_utils.cpp
+++ b/src/time_utils.cpp
@@ -1,6 +1,8 @@
 #include "time_utils.hpp"
 #include <cctype>
+#include <ctime>
 #include <iomanip>
+#include <iterator>
 #include <sstream>
 
 namespace eppoclient {