diff --git a/rootless-install.sh b/rootless-install.sh
index ed0b5691..99e8b9bd 100755
--- a/rootless-install.sh
+++ b/rootless-install.sh
@@ -24,7 +24,7 @@ SCRIPT_COMMIT_SHA="$LOAD_SCRIPT_COMMIT_SHA"
 STABLE_LATEST="28.3.3"
 
 # latest version available in the test channel.
-TEST_LATEST="28.3.3"
+TEST_LATEST="28.4.0-rc.2"
 
 # The channel to install from:
 #   * test