diff --git a/README.chromium b/README.chromium
index d39e855..d4b8672 100644
--- a/README.chromium
+++ b/README.chromium
@@ -1,6 +1,7 @@
 Name: libsrtp
 URL: https://github.com/cisco/libsrtp
 Version: fd08747fa6800b321d53e15feb34da12dc697dee
+Update Mechanism: Manual
 License: BSD-3-Clause
 License File: LICENSE
 Security Critical: Yes