diff --git a/.env.sample b/.env.sample
index ccb5956..aeff088 100644
--- a/.env.sample
+++ b/.env.sample
@@ -42,6 +42,9 @@ ALLOWED_LIFETIME_MAX=4w
 #ENABLE_ALLOWLIST=1
 #FEDERATION_ALLOWLIST="[]"
 
+#MEDIA_RETENTION_LOCAL_LIFETIME=30d
+#MEDIA_RETENTION_REMOTE_LIFETIME=14d
+
 #COMPOSE_FILE="$COMPOSE_FILE:compose.keycloak.yml"
 #KEYCLOAK_ENABLED=1
 #KEYCLOAK_ID=keycloak
diff --git a/compose.yml b/compose.yml
index dd852c3..4846d35 100644
--- a/compose.yml
+++ b/compose.yml
@@ -25,6 +25,8 @@ services:
       - ENCRYPTED_BY_DEFAULT
       - FEDERATION_ALLOWLIST
       - LETSENCRYPT_HOST=${DOMAIN}
+      - MEDIA_RETENTION_LOCAL_LIFETIME
+      - MEDIA_RETENTION_REMOTE_LIFETIME
       - PASSWORD_LOGIN_ENABLED
       - REDACTION_RETENTION_PERIOD
       - RETENTION_MAX_LIFETIME