@@ -146,6 +146,8 @@ func (b *Builder) Prune(ctx context.Context, opts types.BuildCachePruneOptions)

 	validFilters := make(map[string]bool, 1+len(cacheFields))

 	validFilters["unused-for"] = true

 	validFilters["until"] = true

+	validFilters["label"] = true  // TODO(tiborvass): handle label

+	validFilters["label!"] = true // TODO(tiborvass): handle label!

 	for k, v := range cacheFields {

 		validFilters[k] = v

 	}