diff --git a/AUTHORS.txt b/AUTHORS.txt
index 7c122fa..7dd5dfb 100644
--- a/AUTHORS.txt
+++ b/AUTHORS.txt
@@ -1,3 +1,2 @@
 peri4 = Пелипенко Иван <peri4ko@yandex.ru>
 andrey = Бычков Андрей <andrey@signalmodelling.ru>
-gavrikov = Гавриков Михаил <>
diff --git a/pip b/pip
index eccf1d2..f4cbd49 160000
--- a/pip
+++ b/pip
@@ -1 +1 @@
-Subproject commit eccf1d2c7bdbb91a6749674d4f218562a3c18d87
+Subproject commit f4cbd499a8a50744c191eb2c07937ef32a9d3a9f