diff --git a/include/cmocka_private.h b/include/cmocka_private.h
index 7479d79..0d2bbee 100644
--- a/include/cmocka_private.h
+++ b/include/cmocka_private.h
@@ -19,6 +19,8 @@
 
 #include "config.h"
 
+#include <stdint.h>
+
 #ifdef _WIN32
 #include <windows.h>
 
diff --git a/src/cmocka.c b/src/cmocka.c
index 611229b..b0e9f57 100644
--- a/src/cmocka.c
+++ b/src/cmocka.c
@@ -27,6 +27,7 @@
 #include <inttypes.h>
 #endif
 
+#include <stdint.h>
 #include <setjmp.h>
 #include <stdarg.h>
 #include <stddef.h>