diff --git a/check_process b/check_process
index 0ff4a7c..e6e9e32 100644
--- a/check_process
+++ b/check_process
@@ -13,7 +13,9 @@
 		setup_public=0
 		upgrade=1
 		# 4.5.18~ynh1
-		#upgrade=1	from_commit=572f98be58975399c5e7fc7d435a4ac5b78765da
+		upgrade=1	from_commit=572f98be58975399c5e7fc7d435a4ac5b78765da
+		# 4.5.45~ynh1
+		upgrade=1	from_commit=1f60ce6460175f08de8e61d7545a3e16888bd904
 		backup_restore=1
 		multi_instance=1
 		port_already_use=0
@@ -21,6 +23,3 @@
 ;;; Options
 Email=
 Notification=none
-;;; Upgrade options
-	; commit=572f98be58975399c5e7fc7d435a4ac5b78765da
-		name=4.5.18~ynh1
diff --git a/scripts/upgrade b/scripts/upgrade
index 5d12436..5e62701 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -93,7 +93,7 @@ then
 	ynh_script_progression --message="Upgrading source files..."
 
 	# Download, check integrity, uncompress and patch the source from app.src
-	ynh_setup_source --dest_dir="$final_path"
+	ynh_setup_source --dest_dir="$final_path" --keep=".env"
 fi
 
 chmod 750 "$final_path"
@@ -154,7 +154,7 @@ pushd "$final_path"
 
 	# Run the database migrations
 	php$phpversion artisan migrate --force
-	php$phpversion artisan db:seed --class=UpdateSeeder --force
+	php$phpversion artisan db:seed --force
 
 	# Bring the application out of maintenance mode
 	php$phpversion artisan up