diff --git a/testing/benchmark/system-profiles/16gb_v0.tfvars b/testing/benchmark/system-profiles/16gb_v0.tfvars
index 6541b69c3f7..fb2cafa42cf 100644
--- a/testing/benchmark/system-profiles/16gb_v0.tfvars
+++ b/testing/benchmark/system-profiles/16gb_v0.tfvars
@@ -11,7 +11,7 @@ worker_region = "us-west-2"
 
 # Elastic Cloud
 
-apm_server_size = "16g"
+apm_server_size = "15g"
 apm_server_zone_count = 1
 apm_shards = 4