diff --git a/cluster/prod/app/garage/deploy/garage.hcl b/cluster/prod/app/garage/deploy/garage.hcl
index f2a9347..ca2481b 100644
--- a/cluster/prod/app/garage/deploy/garage.hcl
+++ b/cluster/prod/app/garage/deploy/garage.hcl
@@ -3,11 +3,6 @@ job "garage" {
   type = "system"
   priority = 80
 
-  update {
-    max_parallel = 2
-    min_healthy_time  = "60s"
-  }
-
   group "garage" {
     network {
       port "s3" { static = 3900 }
@@ -18,7 +13,11 @@ job "garage" {
     }
 
     update {
-      max_parallel = 10
+      # When upgrading the service, stop and upgrade nodes one by one.
+      # This should allow performing minor upgrades without downtime.
+      # (A higher value for max_parallel would risk stopping nodes in different
+      #  zones at the same time, which would make the cluster unavailable)
+      max_parallel = 1
       min_healthy_time = "30s"
       healthy_deadline = "5m"
     }
@@ -26,7 +25,7 @@ job "garage" {
     task "server" {
       driver = "docker"
       config {
-        image = "superboum/garage:v1.0.0-rc1-hotfix-red-ftr-wquorum"
+        image = "dxflrs/garage:v1.99.1-internal"
         command = "/garage"
         args = [ "server" ]
         network_mode = "host"