diff --git a/arc-versions.sh b/arc-versions.sh
index 7674c760..1b05bbcb 100755
--- a/arc-versions.sh
+++ b/arc-versions.sh
@@ -73,7 +73,7 @@ done
 # That should be a separate variable to allow for a straightforward creation of
 # new releases, where we want default to point to release, instead of dev
 # branch.
-default_toolchain_config=arc-2021.03-eng013
+default_toolchain_config=arc-2021.03-rc2
 
 # Specify the default versions to use as a string <tool>:<branch>. Those are
 # taken from the checkout configuration file. Only actually matters if