diff --git a/lang/c++/include/avro/LogicalType.hh b/lang/c++/include/avro/LogicalType.hh
index b2a7d0294..7b113b3aa 100644
--- a/lang/c++/include/avro/LogicalType.hh
+++ b/lang/c++/include/avro/LogicalType.hh
@@ -22,6 +22,7 @@
 #include <iostream>
 
 #include "Config.hh"
+#include <cstdint>
 
 namespace avro {