diff --git a/libc/private/bionic_ssp.h b/libc/private/bionic_ssp.h
index d34b6ab..9883d72 100644
--- a/libc/private/bionic_ssp.h
+++ b/libc/private/bionic_ssp.h
@@ -29,6 +29,9 @@
 #ifndef _PRIVATE_SSP_H
 #define _PRIVATE_SSP_H
 
+#include <stdint.h>
+#include <sys/cdefs.h>
+
 __BEGIN_DECLS
 
 /* GCC uses this on ARM and MIPS; we use it on x86 to set the guard in TLS. */