diff --git a/firmware_handler.cpp b/firmware_handler.cpp
index c2e935a..5f9a089 100644
--- a/firmware_handler.cpp
+++ b/firmware_handler.cpp
@@ -18,6 +18,7 @@
 
 #include "image_handler.hpp"
 #include "util.hpp"
+#include "verify.hpp"
 
 #include <algorithm>
 #include <cstdint>