diff --git a/src/armnnSerializer/Serializer.cpp b/src/armnnSerializer/Serializer.cpp
index 74d0c43..0b8ad06 100644
--- a/src/armnnSerializer/Serializer.cpp
+++ b/src/armnnSerializer/Serializer.cpp
@@ -13,6 +13,8 @@
 
 #include <ArmnnSchema_generated.h>
 
+#include <boost/numeric/conversion/cast.hpp>
+
 #include <flatbuffers/util.h>
 
 using namespace armnn;