diff --git a/thirdparty/ssh2/SCsub b/thirdparty/ssh2/SCsub
index 89d10e1..ed27565 100644
--- a/thirdparty/ssh2/SCsub
+++ b/thirdparty/ssh2/SCsub
@@ -31,6 +31,7 @@ libssh2_sources = [
     "libssh2/src/misc.c",
     "libssh2/src/pem.c",
     "libssh2/src/session.c",
+    "libssh2/src/userauth_kbd_packet.c",
     "libssh2/src/userauth.c",
 ]
 
diff --git a/thirdparty/ssh2/libssh2 b/thirdparty/ssh2/libssh2
index 635caa9..6cba487 160000
--- a/thirdparty/ssh2/libssh2
+++ b/thirdparty/ssh2/libssh2
@@ -1 +1 @@
-Subproject commit 635caa90787220ac3773c1d5ba11f1236c22eae8
+Subproject commit 6cba487395e79775482fc80dcbc4146e3b17c773