diff --git a/include/linux/time_namespace.h b/include/linux/time_namespace.h
index 03d9c5ac01d1..5258d81cef17 100644
--- a/include/linux/time_namespace.h
+++ b/include/linux/time_namespace.h
@@ -7,6 +7,7 @@
 #include <linux/nsproxy.h>
 #include <linux/ns_common.h>
 #include <linux/err.h>
+#include <linux/time64.h>
 
 struct user_namespace;
 extern struct user_namespace init_user_ns;