diff --git a/test/serialization/generated_serializer/generated_serializer_test.cpp b/test/serialization/generated_serializer/generated_serializer_test.cpp
index 4b11d67f..dd696885 100644
--- a/test/serialization/generated_serializer/generated_serializer_test.cpp
+++ b/test/serialization/generated_serializer/generated_serializer_test.cpp
@@ -6,6 +6,7 @@
  */
 
 #include <algorithm>
+#include <iostream>
 #include <tuple>
 #include <vector>