diff --git a/ops/manifests/manifest-es.yaml b/ops/manifests/manifest-es.yaml
index f4d9b0df4..47c78ce1b 100644
--- a/ops/manifests/manifest-es.yaml
+++ b/ops/manifests/manifest-es.yaml
@@ -4,7 +4,7 @@ applications:
   buildpacks:
     - python_buildpack
   path: ../../src
-  instances: 2
+  instances: 1
   memory: 512M
   stack: cflinuxfs4
   timeout: 180