diff --git a/backup/backup b/backup/backup
index f52d9f8d745644fc2ef22c396a172cd8da2f0842..fe04890e92630199b9e5e0643c28658c3e6a8ec1 100755
--- a/backup/backup
+++ b/backup/backup
@@ -43,7 +43,7 @@ def backup(docker_client, registry, image, tag, dest):
 
 def backup_registry(registry, dest):
     """Backup the images in the registry to the destination."""
-    docker_client = docker.from_env(timeout=90)
+    docker_client = docker.from_env(timeout=300)
     docker_client.ping()
     for image in get_images(registry):
         (dest / image).mkdir(exist_ok=True)