diff --git a/maintenance.md b/maintenance.md
index 3b5761e..3267f16 100644
--- a/maintenance.md
+++ b/maintenance.md
@@ -36,3 +36,4 @@ Newest entries at the bottom.
 - 2026-09-24: Galley fridge defrosted.
 - 2026-09-27: Escape pod batteries charged.
 - 2026-09-27: Comms backup tested.
+- 2026-09-28: Gyroscopes recalibrated.