diff --git a/include/fog_lib/median_filter.h b/include/fog_lib/median_filter.h
index 82f5777..372329a 100644
--- a/include/fog_lib/median_filter.h
+++ b/include/fog_lib/median_filter.h
@@ -11,6 +11,7 @@
 #include <mutex>
 #include <cmath>
 #include <optional>
+#include <vector>
 
 namespace fog_lib
 {