diff --git a/inventory/group_vars/copr_aws b/inventory/group_vars/copr_aws
index cb5b6b9118..66b44bd71d 100644
--- a/inventory/group_vars/copr_aws
+++ b/inventory/group_vars/copr_aws
@@ -20,9 +20,9 @@ builders:
   # max|spawn_concurrently|prealloc
   aws:
     aarch64: [8, 2, 2]
-    x86_64: [20, 4, 4]
+    x86_64: [20, 4, 1]
   aws_spot:
-    aarch64: [30, 4, 6]
+    aarch64: [30, 4, 3]
     x86_64: [70, 8, 8]
   ppc64le_hypervisor_01:
     ppc64le: [15, 4, 15]