diff --git a/tensorpipe/common/allocator.h b/tensorpipe/common/allocator.h
index b7c9c27..49c24f7 100644
--- a/tensorpipe/common/allocator.h
+++ b/tensorpipe/common/allocator.h
@@ -9,6 +9,7 @@
 #pragma once
 
 #include <cstddef>
+#include <cstdint>
 #include <deque>
 #include <functional>
 #include <memory>
diff --git a/tensorpipe/common/defs.h b/tensorpipe/common/defs.h
index f4f9736..7afa53a 100644
--- a/tensorpipe/common/defs.h
+++ b/tensorpipe/common/defs.h
@@ -13,6 +13,7 @@
 #include <unistd.h>
 
 #include <cstring>
+#include <cstdint>
 #include <ctime>
 #include <functional>
 #include <iomanip>