diff --git a/docker-compose-s3.yml b/docker-compose-s3.yml
index 847b4b7..597e2fd 100644
--- a/docker-compose-s3.yml
+++ b/docker-compose-s3.yml
@@ -43,8 +43,8 @@ services:
         -Ddataverse.files.minio1.path-style-access=true
         -Ddataverse.files.minio1.upload-redirect=false
         -Ddataverse.files.minio1.download-redirect=false
-        -Ddataverse.files.minio1.access-key=minioadmin
-        -Ddataverse.files.minio1.secret-key=minioadmin
+        -Ddataverse.files.minio1.access-key=4cc355_k3y
+        -Ddataverse.files.minio1.secret-key=s3cr3t_4cc355_k3y
     ports:
       - '8080:8080'
     networks:
@@ -160,9 +160,8 @@ services:
     volumes:
       - ${RUNNER_TEMP}/minio_storage:/data
     environment:
-      # these are the defaults but are here for clarity
-      MINIO_ROOT_USER: minioadmin
-      MINIO_ROOT_PASSWORD: minioadmin
+      MINIO_ROOT_USER: 4cc355_k3y
+      MINIO_ROOT_PASSWORD: s3cr3t_4cc355_k3y
     command: server /data
 
 networks: