diff --git a/api/next.txt b/api/next.txt
index 23fd98a9ba..148cbffbfe 100644
--- a/api/next.txt
+++ b/api/next.txt
@@ -3,3 +3,5 @@ pkg encoding/binary, type AppendByteOrder interface, AppendUint16([]uint8, uint1
 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
+pkg net/url, func JoinPath(string, ...string) (string, error)
+pkg net/url, method (*URL) JoinPath(...string) *URL