diff --git a/thunderbird-mozconfig b/thunderbird-mozconfig
index 7445114..c8e9d53 100644
--- a/thunderbird-mozconfig
+++ b/thunderbird-mozconfig
@@ -17,6 +17,7 @@ ac_add_options --with-system-jpeg
 ac_add_options --enable-js-shell
 ac_add_options --with-unsigned-addon-scopes=app,system
 ac_add_options --without-sysroot
+ac_add_options --update-channel=release
 # investigate this one:
 ac_add_options --without-wasm-sandboxed-libraries
 ac_add_options --with-mozilla-api-keyfile=../mozilla-api-key