diff --git a/keystore2/keystore2.rc b/keystore2/keystore2.rc
index d7d6951..e669b18 100644
--- a/keystore2/keystore2.rc
+++ b/keystore2/keystore2.rc
@@ -13,3 +13,5 @@
     task_profiles ProcessCapacityHigh
     # The default memlock limit of 65536 bytes is too low for keystore.
     rlimit memlock unlimited unlimited
+    # Reboot to bootloader if Keystore crashes more than 4 times before `sys.boot_completed`.
+    critical window=0