diff --git a/app/commands/BaseCommand.php b/app/commands/BaseCommand.php
index 9bf2e5d2..72e9d84d 100644
--- a/app/commands/BaseCommand.php
+++ b/app/commands/BaseCommand.php
@@ -13,7 +13,6 @@
 use App\Helpers\FileStorage\ZipFileStorage;
 use App\Helpers\ExerciseConfig\Loader;
 use App\Helpers\ExerciseConfig\Validator as ConfigValidator;
-use ZipArchive;
 use DateTime;
 use Exception;
 use RuntimeException;
diff --git a/recodex-api.spec b/recodex-api.spec
index 5e05a3df..689dfd41 100644
--- a/recodex-api.spec
+++ b/recodex-api.spec
@@ -2,8 +2,8 @@
 %define short_name api
 %define install_dir /opt/%{name}
 %define version 2.9.1
-%define unmangled_version 7fde9e814dc1b201eed20d03cb9090f063d45b7f
-%define release 1
+%define unmangled_version b7f993be5ec4f78945a68813b1269c2d021ad45f
+%define release 2
 
 Summary: ReCodEx core API component
 Name: %{name}