diff --git a/kubernetes/infrastructure/image-automation/immich.yaml b/kubernetes/infrastructure/image-automation/immich.yaml
index 901824be..79ea99c4 100644
--- a/kubernetes/infrastructure/image-automation/immich.yaml
+++ b/kubernetes/infrastructure/image-automation/immich.yaml
@@ -1,11 +1,14 @@
 apiVersion: image.toolkit.fluxcd.io/v1
 kind: ImageRepository
+# 6h, not 1h: both repositories carry tens to hundreds of thousands of PR
+# build tags, and every scan pages the full list anonymously, which runs
+# into ghcr.io's rate limit.
 metadata:
   name: immich-server
   namespace: flux-system
 spec:
   image: ghcr.io/immich-app/immich-server
-  interval: 1h
+  interval: 6h
 ---
 # v-prefix tags only, semver 3.x. The 4.x cutover would need manual
 # review — Immich major bumps historically require migration.
@@ -31,7 +34,7 @@ metadata:
   namespace: flux-system
 spec:
   image: ghcr.io/immich-app/immich-machine-learning
-  interval: 1h
+  interval: 6h
 ---
 # Same policy as immich-server; machine-learning image must stay in
 # version-sync with the server image (Immich docs require it).