diff --git a/src/types.h b/src/types.h
index 4e358ab..3d4b56d 100644
--- a/src/types.h
+++ b/src/types.h
@@ -3,6 +3,7 @@
 
 #include <cassert>
 #include <string>
+#include <vector>
 
 enum Command {
     build,