diff --git a/api/next.txt b/api/next.txt
index e69de29bb2..23fd98a9ba 100644
--- a/api/next.txt
+++ b/api/next.txt
@@ -0,0 +1,5 @@
+pkg encoding/binary, type AppendByteOrder interface { AppendUint16, AppendUint32, AppendUint64, String }
+pkg encoding/binary, type AppendByteOrder interface, AppendUint16([]uint8, uint16) []uint8
+pkg encoding/binary, type AppendByteOrder interface, AppendUint32([]uint8, uint32) []uint8
+pkg encoding/binary, type AppendByteOrder interface, AppendUint64([]uint8, uint64) []uint8
+pkg encoding/binary, type AppendByteOrder interface, String() string