diff --git a/src/iceberg/util/url_encoder.cc b/src/iceberg/util/url_encoder.cc
index 5f2469f07..39247753c 100644
--- a/src/iceberg/util/url_encoder.cc
+++ b/src/iceberg/util/url_encoder.cc
@@ -19,6 +19,7 @@
 
 #include "iceberg/util/url_encoder.h"
 
+#include <cstdint>
 #include <locale>
 
 namespace iceberg {