diff --git a/test/pid_stepwisecontroller_unittest.cpp b/test/pid_stepwisecontroller_unittest.cpp
index a832ed7..c730606 100644
--- a/test/pid_stepwisecontroller_unittest.cpp
+++ b/test/pid_stepwisecontroller_unittest.cpp
@@ -3,6 +3,8 @@
 #include "pid/stepwisecontroller.hpp"
 #include "test/zone_mock.hpp"
 
+#include <limits>
+#include <memory>
 #include <string>
 #include <vector>