diff --git a/include/fcntl.h b/include/fcntl.h
index ff9fcb92..f5bfebc8 100644
--- a/include/fcntl.h
+++ b/include/fcntl.h
@@ -121,6 +121,13 @@ int posix_fallocate(int, off_t, off_t);
 #define F_CANCELLK	1029
 #define F_SETPIPE_SZ	1031
 #define F_GETPIPE_SZ	1032
+#define F_ADD_SEALS	1033
+#define F_GET_SEALS	1034
+
+#define F_SEAL_SEAL	0x0001
+#define F_SEAL_SHRINK	0x0002
+#define F_SEAL_GROW	0x0004
+#define F_SEAL_WRITE	0x0008
 
 #define DN_ACCESS	0x00000001
 #define DN_MODIFY	0x00000002