diff --git a/inventory/builders b/inventory/builders
index d7da3f36ae..d123a60af1 100644
--- a/inventory/builders
+++ b/inventory/builders
@@ -98,6 +98,7 @@ aarch64-c17n1.arm.fedoraproject.org
 aarch64-c18n1.arm.fedoraproject.org
 aarch64-c19n1.arm.fedoraproject.org
 aarch64-c20n1.arm.fedoraproject.org
+aarch64-c21n1.arm.fedoraproject.org
 
 [buildhw]
 buildhw-01.phx2.fedoraproject.org
diff --git a/inventory/hardware b/inventory/hardware
index b73bf53964..fa074b52f5 100644
--- a/inventory/hardware
+++ b/inventory/hardware
@@ -111,3 +111,4 @@ aarch64-c17n1.arm.fedoraproject.org
 aarch64-c18n1.arm.fedoraproject.org
 aarch64-c19n1.arm.fedoraproject.org
 aarch64-c20n1.arm.fedoraproject.org
+aarch64-c21n1.arm.fedoraproject.org