diff --git a/postgres/values.yaml.gotmpl b/postgres/values.yaml.gotmpl
index 15465b3..4e47db9 100644
--- a/postgres/values.yaml.gotmpl
+++ b/postgres/values.yaml.gotmpl
@@ -9,7 +9,7 @@ instances:
         memory: 192Mi
       limits:
         cpu: 2
-        memory: 512Mi
+        memory: 1Gi
     dataVolumeClaimSpec:
       accessModes:
       - "ReadWriteOnce"