diff --git a/check_process b/check_process
index fa8fdb1..6cdf741 100644
--- a/check_process
+++ b/check_process
@@ -12,7 +12,6 @@
 		setup_private=1
 		setup_public=1
 		upgrade=1
-		upgrade=1	from_commit=1ef6a65e00dbb39dac8919cf6c5f4313fea8462e
 		backup_restore=1
 		multi_instance=0
 		port_already_use=0
diff --git a/conf/amd64.src b/conf/amd64.src
index d126eba..55e14ad 100644
--- a/conf/amd64.src
+++ b/conf/amd64.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://dl.min.io/server/minio/release/linux-amd64/archive/minio.RELEASE.2023-01-25T00-19-54Z
-SOURCE_SUM=e7d44bb2f808d9ada43c7b1a677b3ae8e336f5be442992cd35a1b89e545c76d5
+SOURCE_URL=https://dl.min.io/server/minio/release/linux-amd64/archive/minio.RELEASE.2023-02-22T18-23-45Z
+SOURCE_SUM=9e27137008ee2e233f72dc5d774dec7cbb1175280e9fde20f1ccbe61365edc2f
 SOURCE_SUM_PRG=sha256sum
 SOURCE_IN_SUBDIR=false
 SOURCE_FILENAME=minio
diff --git a/conf/arm64.src b/conf/arm64.src
index 6e613a6..e040d83 100644
--- a/conf/arm64.src
+++ b/conf/arm64.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://dl.min.io/server/minio/release/linux-arm64/archive/minio.RELEASE.2023-01-25T00-19-54Z
-SOURCE_SUM=a927c48815c1f077dd8228734275a521c2299de1aa28bc8972585e3addd59c3f
+SOURCE_URL=https://dl.min.io/server/minio/release/linux-arm64/archive/minio.RELEASE.2023-02-22T18-23-45Z
+SOURCE_SUM=845b8cd10199ca2bcee369b5b3fe82e13b5889b7040bff013780efc8c0a2bca4
 SOURCE_SUM_PRG=sha256sum
 SOURCE_IN_SUBDIR=false
 SOURCE_FILENAME=minio
diff --git a/conf/mc_amd64.src b/conf/mc_amd64.src
index a32de2d..811390f 100644
--- a/conf/mc_amd64.src
+++ b/conf/mc_amd64.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://dl.min.io/client/mc/release/linux-amd64/archive/mc.RELEASE.2023-01-28T20-29-38Z
-SOURCE_SUM=ecd7b92a7a5c6e74db16fcd19950a28fa8ccb1fcc343ff37050787da346f7d4e
+SOURCE_URL=https://dl.min.io/client/mc/release/linux-amd64/archive/mc.RELEASE.2023-02-16T19-20-11Z
+SOURCE_SUM=04aee1a04a513a293af5ceff699113c791a54309cecd97b2dd71f111dcc45f7b
 SOURCE_SUM_PRG=sha256sum
 SOURCE_IN_SUBDIR=false
 SOURCE_FILENAME=mc
diff --git a/conf/mc_arm64.src b/conf/mc_arm64.src
index 610837a..cb88b4b 100644
--- a/conf/mc_arm64.src
+++ b/conf/mc_arm64.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://dl.min.io/client/mc/release/linux-arm64/archive/mc.RELEASE.2023-01-28T20-29-38Z
-SOURCE_SUM=319fb47eb7f48e3e6efff1151bb82d44463d5c23f94495146c813f9ed2531a4b
+SOURCE_URL=https://dl.min.io/client/mc/release/linux-arm64/archive/mc.RELEASE.2023-02-16T19-20-11Z
+SOURCE_SUM=df56bc161266efadc4cb722f4afb909738ff1eb5200f1446bcdb75fe4c272374
 SOURCE_SUM_PRG=sha256sum
 SOURCE_IN_SUBDIR=false
 SOURCE_FILENAME=mc
diff --git a/manifest.json b/manifest.json
index a287fb5..096cb16 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "High Performance, Kubernetes Native Object Storage",
         "fr": "Serveur de stockage d'objets hautes performances"
     },
-    "version": "2023.01.11~ynh1",
+    "version": "2023.02.22~ynh1",
     "url": "https://min.io/",
     "upstream": {
         "license": "AGPL-3.0-only",
diff --git a/scripts/backup b/scripts/backup
index 67278fd..059aa77 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -46,6 +46,7 @@ ynh_backup --src_path="$final_path"
 # BACKUP THE DATA DIR
 #=================================================
 
+ynh_print_info --message="WARNING : by default, the buckets are not saved (use is big option)..."
 ynh_backup --src_path="$datadir" --is_big
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index a187156..d11cf75 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -49,6 +49,49 @@ ynh_clean_setup () {
 # Exit if an error occurs during the execution of the script
 ynh_abort_if_errors
 
+#=================================================
+# ENSURE DOWNWARD COMPATIBILITY
+#=================================================
+ynh_script_progression --message="Ensuring downward compatibility..."
+
+if ynh_compare_current_package_version --comparison le --version 2023.02.22~ynh1
+then
+	ynh_script_progression --message="Mirroring old Filesystem to secure MinIO start"
+	tmp="/tmp/minio"
+	mkdir "$tmp"
+	chown -R $app:www-data "$tmp"
+	pushd "$datadir/"
+		for d in * ; do
+		if [ "$d" == "*" ]
+		then
+			ynh_script_progression --message="No buckets to migrate"
+		else
+			ynh_script_progression --message="Moving $d..."
+			ynh_exec_warn_less sudo -u $app $mc_path/mc mirror --preserve "minio/$d" "$tmp/$d"
+		fi
+		done
+		if ynh_compare_current_package_version --comparison eq --version 2022.09.01~ynh1
+		then
+			ynh_die --message="Sorry, your MinIO instance requires a complex manual migration. Please contact Limezy on the Yunohost forum"
+		fi
+		if ynh_compare_current_package_version --comparison eq --version 2022.11.11~ynh1
+		then
+			ynh_die --message="Sorry, your MinIO instance requires a complex manual migration. Please contact Limezy on the Yunohost forum"
+		fi
+		if ynh_compare_current_package_version --comparison eq --version 2023.01.11~ynh1
+		then
+			ynh_die --message="Sorry, your MinIO instance requires a complex manual migration. Please contact Limezy on the Yunohost forum"
+		fi
+	popd
+	ynh_secure_remove --file="$datadir"
+	ynh_exec_warn_less mkdir "$datadir"
+	chmod 750 "$datadir"
+	chmod -R o-rwx "$datadir"
+	chown -R $app:www-data "$datadir"
+else
+	ynh_script_progression --message="No migration to be done"
+fi
+
 #=================================================
 # STANDARD UPGRADE STEPS
 #=================================================
@@ -128,23 +171,6 @@ ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
 
 yunohost service add $app --description="A High Performance, Kubernetes Native Object Storage" --log="/var/log/$app/$app.log"
 
-#=================================================
-# ENSURE DOWNWARD COMPATIBILITY
-#=================================================
-ynh_script_progression --message="Ensuring downward compatibility..."
-
-if ynh_compare_current_package_version --comparison lt --version 2022.12.12~ynh1
-then
-	ynh_script_progression --message="Moving old Filesystem to secure MinIO start"
-	tmp="/tmp/minio"
-	ynh_exec_warn_less cp -Ra "$datadir" "$tmp"
-	ynh_secure_remove --file="$datadir"
-	ynh_exec_warn_less mkdir "$datadir"
-	chmod 750 "$datadir"
-	chmod -R o-rwx "$datadir"
-	chown -R $app:www-data "$datadir"
-fi
-
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================
@@ -173,7 +199,7 @@ popd
 #=================================================
 ynh_script_progression --message="Ensuring downward compatibility..."
 
-if ynh_compare_current_package_version --comparison lt --version 2022.12.12~ynh1
+if ynh_compare_current_package_version --comparison le --version 2023.02.22~ynh1
 then
 	ynh_script_progression --message="Migration from Filesystem to Single-Node Single-Drive mode"
 	pushd "$tmp/"