diff --git a/.nix/config.nix b/.nix/config.nix
index 8bb23f5dd..56ac8b7db 100644
--- a/.nix/config.nix
+++ b/.nix/config.nix
@@ -14,6 +14,7 @@ let master = [
   common-bundles = listToAttrs (forEach master (p:
     { name = p; value.override.version = "master"; }))
   // {
+    hierarchy-builder.override.version = "VojtechStep:feature/breaking-add-section-variable";
     mathcomp-single-planB-src.job = false;
     mathcomp-single-planB.job = false;
     mathcomp-single.job = false;