diff --git a/nodepool/nodepool.yaml b/nodepool/nodepool.yaml
index b8d7f87a96..16193959a0 100644
--- a/nodepool/nodepool.yaml
+++ b/nodepool/nodepool.yaml
@@ -518,7 +518,7 @@ providers:
     cloud: bluebox-sjc1
     api-timeout: 60
     boot-timeout: 120
-    max-servers: 20
+    max-servers: 39
     rate: 0.001
     pool: 'external'
     clean-floating-ips: true