1 files changed, 1 insertions, 0 deletions

diff --git a/build.cc b/build.cc
index 6302a18..e057a02 100644
--- a/build.cc
+++ b/build.cc
@@ -5,6 +5,7 @@
 #include <iostream>
 #include <chrono>
 #include <set>
+#include <thread>
 
 #include "tasks.h"