diff --git a/data-computer/tests.hurl b/data-computer/tests.hurl
index 6b6362a..9f60dc6 100644
--- a/data-computer/tests.hurl
+++ b/data-computer/tests.hurl
@@ -19,8 +19,13 @@
 # Fortunately, as the data is sparse, and the computing time is small,
 # the need is small.
 
+# Version 4.1.0 of hurl added a delay option, which value is milliseconds.
+# https://hurl.dev/blog/2023/09/24/announcing-hurl-4.1.0.html#add-delay-between-requests
+
 POST https://data-computer.services.istex.fr/v1/retrieve
 content-type: application/json
+[Options]
+delay: 1000
 ```
 [
 	{