diff --git a/Dockerfile b/Dockerfile
index a67bd05..aa8cb03 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,4 +3,4 @@ FROM hashicorp/vault:latest
 ADD ./vault-unseal.sh /vault-unseal.sh
 RUN chmod a+x /vault-unseal.sh
 
-CMD ["/bin/sh", "/vault-unseal.sh"]
+CMD ["/bin/sh", "while true; do /vault-unseal.sh; sleep 30; done"]