diff --git a/src/base/containers/span.h b/src/base/containers/span.h
index 4af83b4..19b9503 100644
--- a/src/base/containers/span.h
+++ b/src/base/containers/span.h
@@ -6,6 +6,7 @@
 #define BASE_CONTAINERS_SPAN_H_
 
 #include <stddef.h>
+#include <stdint.h>
 
 #include <algorithm>
 #include <array>