1 files changed, 1 insertions, 0 deletions

diff --git a/spec.yaml b/spec.yaml
index afc1bd0..b8cd589 100644
--- a/spec.yaml
+++ b/spec.yaml
@@ -9,6 +9,7 @@ obnam_config:
   repository-format: green-albatross
   leave-checkpoints: yes
   quiet: yes
+  keep: 1y
 benchmarks:
   - name: 1megafiles
     description: backup 1 million small files