diff --git a/roles/forgejo/defaults/main.yml b/roles/forgejo/defaults/main.yml
index 150cac1..232a790 100644
--- a/roles/forgejo/defaults/main.yml
+++ b/roles/forgejo/defaults/main.yml
@@ -42,6 +42,7 @@ forgejo_use_ci: false
 forgejo_use_s3: false
 forgejo_s3_use_ssl: true
 forgejo_s3_bucket_lookup: auto # auto|dns|path
+forgejo_s3_checksum: default # default|md5
 # forgejo_s3_endpoint:
 # forgejo_s3_region:
 # forgejo_s3_key:
diff --git a/roles/forgejo/templates/docker-stack.yml.j2 b/roles/forgejo/templates/docker-stack.yml.j2
index fe10ec7..4704ea2 100644
--- a/roles/forgejo/templates/docker-stack.yml.j2
+++ b/roles/forgejo/templates/docker-stack.yml.j2
@@ -59,6 +59,7 @@ services:
       - FORGEJO__storage__MINIO_SECRET_ACCESS_KEY={{ forgejo_s3_secret }}
       - FORGEJO__storage__MINIO_BUCKET={{ forgejo_s3_bucket }}
       - FORGEJO__storage__MINIO_LOCATION={{ forgejo_s3_region }}
+      - FORGEJO__storage__MINIO_CHECKSUM_ALGORITHM={{ forgejo_s3_checksum }}
 {% endif %}
     networks:
       - "{{ docker_swarm_public_network_name }}"