diff --git a/modules/buildbot/buildbot_nix.py b/modules/buildbot/buildbot_nix.py
index 91dc6b5..68d3c1c 100644
--- a/modules/buildbot/buildbot_nix.py
+++ b/modules/buildbot/buildbot_nix.py
@@ -244,6 +244,7 @@ def nix_update_flake_config(
             method="clobber",
             submodules=True,
             haltOnFailure=True,
+            mode="full",
             branch="main",
             doStepIf=failure
         )