diff --git a/src/warden-server/doc/UPDATE b/src/warden-server/doc/UPDATE
new file mode 100644
index 0000000000000000000000000000000000000000..6d3c7f87c1e736eee65fe97ebb3a39ab7a3a67e1
--- /dev/null
+++ b/src/warden-server/doc/UPDATE
@@ -0,0 +1,37 @@
+Update process
+==============
+
+Content
+
+ A. Overview
+ B. Update steps
+ C. Post-update steps
+
+--------------------------------------------------------------------------------
+
+A. Overview
+-----------
+
+For update of warden-server package from local machine use update.sh.
+  
+Default destination directory is /opt/warden-server/.
+          
+For more information about update.sh options run update.sh -h.
+
+You must be root for running this script.
+
+
+B. Update steps
+---------------
+
+1) Update Warden server package (default destination path)
+
+	# ./warden-server-2.1/update.sh -d /opt
+
+
+C. Post-update steps
+--------------------
+
+1) Update Warden server database
+
+	$ mysql -u <user> -h localhost -p <password> < {warden-server_path}/doc/warden20to21.patch