diff --git a/include/dap/any.h b/include/dap/any.h
index 7e6553f..b05f03d 100644
--- a/include/dap/any.h
+++ b/include/dap/any.h
@@ -18,6 +18,7 @@
 #include "typeinfo.h"
 
 #include <assert.h>
+#include <stdint.h>
 
 namespace dap {