diff --git a/events/include/gz/common/Event.hh b/events/include/gz/common/Event.hh
index a86c3ac07..936417d74 100644
--- a/events/include/gz/common/Event.hh
+++ b/events/include/gz/common/Event.hh
@@ -18,6 +18,7 @@
 #define GZ_COMMON_EVENT_HH_
 
 #include <atomic>
+#include <chrono>
 #include <functional>
 #include <list>
 #include <map>