diff --git a/manifest b/manifest
index 6b2c3f1dc..04dbf523e 100644
--- a/manifest
+++ b/manifest
@@ -1,4 +1,5 @@
 sessions.sql
 users.sql
 sessions_api_v1.sql
-users_v1.sql
\ No newline at end of file
+users_v1.sql
+p2p.sql
diff --git a/up/p2p.sql b/up/p2p.sql
new file mode 100644
index 000000000..f57113970
--- /dev/null
+++ b/up/p2p.sql
@@ -0,0 +1,2 @@
+-- begin storing a client_id in each music_session_client
+ALTER TABLE music_session_clients ADD COLUMN client_id VARCHAR(64) UNIQUE;