diff --git a/Python/random.c b/Python/random.c
index 93d300d..396041d 100644
--- a/Python/random.c
+++ b/Python/random.c
@@ -3,6 +3,9 @@
 #  include <windows.h>
 #else
 #  include <fcntl.h>
+#  if defined(HAVE_GETRANDOM) || defined(HAVE_GETENTROPY)
+#    include <sys/random.h>
+#  endif
 #  ifdef HAVE_SYS_STAT_H
 #    include <sys/stat.h>
 #  endif