diff --git a/k8s/deployment-grid-rs.yaml b/k8s/deployment-grid-rs.yaml
index c7560490..d27532a2 100644
--- a/k8s/deployment-grid-rs.yaml
+++ b/k8s/deployment-grid-rs.yaml
@@ -71,10 +71,14 @@ spec:
           resources:
             requests:
               cpu: 100m
-              memory: 128Mi
+              memory: 256Mi
             limits:
               cpu: "4"
-              memory: 512Mi
+              # 512 Mi OOM-killed the real binary at startup. 1 Gi gives
+              # room for sqlx pool + reqwest pool + tokio runtime +
+              # tracing buffers, with headroom vs the steady-state
+              # target (~500 Mi during a chain step).
+              memory: 1Gi
           securityContext:
             allowPrivilegeEscalation: false
             runAsNonRoot: true