1 files changed, 1 insertions, 0 deletions
diff --git a/sol.c b/sol.c
index 930eda6..1933716 100644
--- a/sol.c
+++ b/sol.c
@@ -19,6 +19,7 @@
 #include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <time.h>
 
 #include "cards.h"
 #include "stack.h"