diff --git a/k8s/security/ci-cd/argocd-values.yaml b/k8s/security/ci-cd/argocd-values.yaml
index 38c4880..5a8ffac 100644
--- a/k8s/security/ci-cd/argocd-values.yaml
+++ b/k8s/security/ci-cd/argocd-values.yaml
@@ -78,10 +78,13 @@ repoServer:
   resources:
     requests:
       cpu: 100m
-      memory: 256Mi
+      memory: 512Mi
     limits:
       cpu: 500m
-      memory: 512Mi
+      # 512Mi OOM-killed the container under CMP + Helm rendering of ~30 apps,
+      # causing chronic restarts → not-ready → dropped Cilium backend → every
+      # app's manifest comparison failed with "no route to host". 1Gi headroom.
+      memory: 1Gi
   tolerations:
     - key: node-role.kubernetes.io/control-plane
       operator: Exists