diff --git a/vm-image-spec.yaml b/vm-image-spec.yaml
index 6f0ebe5f66..804405293f 100644
--- a/vm-image-spec.yaml
+++ b/vm-image-spec.yaml
@@ -34,7 +34,7 @@ files:
       server_tls_sslmode=disable
       pool_mode=transaction
       max_client_conn=10000
-      default_pool_size=16
+      default_pool_size=64
       max_prepared_statements=0
   - filename: cgconfig.conf
     content: |