diff --git a/tests-integration/tests/http.rs b/tests-integration/tests/http.rs
index 0317482da7f4..a7f2ab8f3f88 100644
--- a/tests-integration/tests/http.rs
+++ b/tests-integration/tests/http.rs
@@ -662,6 +662,7 @@ max_background_jobs = 4
 auto_flush_interval = "30m"
 global_write_buffer_size = "1GiB"
 global_write_buffer_reject_size = "2GiB"
+cache_size = "512MiB"
 
 [[region_engine]]