diff --git a/include/wsrep/client_state.hpp b/include/wsrep/client_state.hpp
index 6e3678a..5f2282e 100644
--- a/include/wsrep/client_state.hpp
+++ b/include/wsrep/client_state.hpp
@@ -43,6 +43,8 @@
 #include "thread.hpp"
 #include "xid.hpp"
 
+#include <chrono>
+
 namespace wsrep
 {
     class server_state;