diff --git a/DESCRIPTION b/DESCRIPTION
index e45dd159..578d7d50 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -20,7 +20,9 @@ Imports:
     rlang (>= 1.1.0)
 Suggests:
     testthat (>= 3.0.0),
-    withr
+    withr,
+    later,
+    promises
 Config/testthat/edition: 3
 Remotes:
     r-lib/httr2