diff --git a/src/memory.c b/src/memory.c
index f79fe68..efbfb2c 100644
--- a/src/memory.c
+++ b/src/memory.c
@@ -1,3 +1,4 @@
+#include <time.h>
 #include <kuroko/vm.h>
 #include <kuroko/memory.h>
 #include <kuroko/object.h>