Bump server version
diff --git a/server/server_version.py b/server/server_version.py
index 65fa43d..48b1274 100644
--- a/server/server_version.py
+++ b/server/server_version.py
@@ -1,2 +1,2 @@
 # This file is generated by server/update_version.sh
-PONYMAIL_SERVER_VERSION = '6efabb8'
+PONYMAIL_SERVER_VERSION = '1ad478f'