diff --git a/charts/skillhub/tests/install-upgrade-smoke.sh b/charts/skillhub/tests/install-upgrade-smoke.sh
index 5c9a9b8e..728d38a6 100755
--- a/charts/skillhub/tests/install-upgrade-smoke.sh
+++ b/charts/skillhub/tests/install-upgrade-smoke.sh
@@ -84,7 +84,7 @@ spec:
     spec:
       containers:
         - name: minio
-          image: docker.io/pgsty/silo:RELEASE.2026-09-16T00-00-00Z
+          image: docker.io/pgsty/silo@sha256:635197cb9f36d01bee221d34d1c7d7960f6a95c48b0b6c01d99cd13bdae51a46
           args:
             - server
             - /data
diff --git a/deploy/runtime-mirror-images.txt b/deploy/runtime-mirror-images.txt
index 5e89b4e4..e83668f3 100644
--- a/deploy/runtime-mirror-images.txt
+++ b/deploy/runtime-mirror-images.txt
@@ -1,7 +1,7 @@
 # source_image target_image
 postgres:16-alpine postgres:16-alpine
 redis:7-alpine redis:7-alpine
-docker.io/pgsty/silo:RELEASE.2026-09-16T00-00-00Z minio:RELEASE.2026-09-16T00-00-00Z
+docker.io/pgsty/silo:RELEASE.2026-09-16T00-00-00Z minio:latest
 prom/prometheus:latest prometheus:latest
 grafana/grafana:latest grafana:latest
 nginx:alpine nginx:alpine