diff --git a/check_process b/check_process
index 1d03636..4e761c5 100644
--- a/check_process
+++ b/check_process
@@ -12,8 +12,6 @@
 		setup_private=1
 		setup_public=1
 		upgrade=1
-		#3.24.0
-		upgrade=1    from_commit=ddbb3b36b8bcd00e573456bd9ad07b1aa5e41cb1
 		#4.0.0
 		upgrade=1    from_commit=4b43c2fd8731a9d08196c4d1b688922ff6b39f00
 		#4.1.0
@@ -29,8 +27,6 @@
 Email=
 Notification=none
 ;;; Upgrade options
-	; commit=ddbb3b36b8bcd00e573456bd9ad07b1aa5e41cb1
-		name=update to 3.24.0
 	; commit=4b43c2fd8731a9d08196c4d1b688922ff6b39f00
 		name=update to 4.0.0
 	; commit=b0dd9be98e3cfedec24d3910058682b36e3fedda
diff --git a/manifest.json b/manifest.json
index 5c02f3f..8b2fb9f 100644
--- a/manifest.json
+++ b/manifest.json
@@ -15,7 +15,7 @@
         "url": "https://frju365.yunohost.support"
     },
     "requirements": {
-        "yunohost": ">= 4.1.7"
+        "yunohost": ">= 4.2.4"
     },
     "multi_instance": false,
     "services": [
diff --git a/scripts/upgrade b/scripts/upgrade
index 8eb6fe1..95ae3a1 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -87,20 +87,8 @@ if [ "$upgrade_type" == "UPGRADE_APP" ]
 then
 	ynh_script_progression --message="Upgrading source files..." --weight=1
 
-	# Create a temporary directory
-	tmpdir="$(mktemp -d)"
-
-	# Backup the config file in the temp dir
-	cp -a "$final_path/config/config.js" "$tmpdir/config.js"
-
 	# Download, check integrity, uncompress and patch the source from app.src
-	ynh_setup_source --dest_dir="$final_path"
-
-	# Copy the admin saved settings from tmp directory to final path	
-	cp -a "$tmpdir/config.js" "$final_path/config/config.js" 
-
-	# Remove the tmp directory securely
-	ynh_secure_remove --file="$tmpdir"
+	ynh_setup_source --dest_dir="$final_path" --keep="$final_path/config/config.js"
 fi
 
 #=================================================