diff --git a/compose.yml b/compose.yml
index 0f8974c..67283c4 100644
--- a/compose.yml
+++ b/compose.yml
@@ -229,7 +229,8 @@ services:
       - backend
 
   minio:
-    image: quay.io/minio/minio:RELEASE.2025-09-07T16-13-09Z
+    image: bitnamilegacy/minio:2025.7.23-debian-12-r5
+    user: root
     environment: *minio-env
     healthcheck:
       test: ["CMD", "mc", "ready", "local"]
@@ -239,11 +240,11 @@ services:
     networks:
       - backend
       - proxy
-    command: minio server /data
+    command: /opt/bitnami/scripts/minio/run.sh
     entrypoint: >
-      sh -c "/minio-initialize.sh & exec /usr/bin/docker-entrypoint.sh \"$$@\"" --
+      sh -c "/minio-initialize.sh & exec /opt/bitnami/scripts/minio/entrypoint.sh \"$$@\"" --
     volumes:
-      - minio:/data
+      - minio:/bitnami/minio/data
     configs:
       - source: abra_entrypoint
         target: /abra-entrypoint.sh
diff --git a/minio-initialize.sh b/minio-initialize.sh
index cb36278..d1242a6 100644
--- a/minio-initialize.sh
+++ b/minio-initialize.sh
@@ -1,6 +1,11 @@
 #!/bin/sh
 set -e
 
+# Use an isolated mc config dir: the bundled Bitnami image runs its own
+# internal mc client (as the "minio" user) against the default /.mc path,
+# which collides with this script running as root against the same path.
+export MC_CONFIG_DIR=/tmp/mc-drive-init
+
 # Wait for minio to be ready (up to 60 seconds)
 i=0
 while ! mc ready local 2>/dev/null; do