diff --git a/calibration.cpp b/calibration.cpp
index 9c97cfc..45f19f9 100644
--- a/calibration.cpp
+++ b/calibration.cpp
@@ -1,6 +1,8 @@
 #include <iostream>
 #include <filesystem>
+#include <lccv.hpp>
 #include <opencv2/opencv.hpp>
+#include <thread>
 
 int main(int argc, char *argv[])
 {