diff --git a/CHANGELOG.md b/CHANGELOG.md
index 83006ad..2318e6e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## 1.1
+
+Compatible with Kimai 1.17
+
+- Added croatian translation - thanks @milotype
+- Fixed code styles
+
 ## 1.0
 
 Compatible with Kimai 1.17
diff --git a/EventSubscriber/InvoicePreRenderSubscriber.php b/EventSubscriber/InvoicePreRenderSubscriber.php
index ee66c5a..646ca07 100644
--- a/EventSubscriber/InvoicePreRenderSubscriber.php
+++ b/EventSubscriber/InvoicePreRenderSubscriber.php
@@ -34,7 +34,7 @@ public function configureFormatter(InvoicePreRenderEvent $event): void
     {
         $language = $this->configuration->find('invoice.formatter_language');
 
-        if (empty($language) || !is_string($language)) {
+        if (empty($language) || !\is_string($language)) {
             return;
         }
 
diff --git a/composer.json b/composer.json
index 3ef26b4..a342be9 100644
--- a/composer.json
+++ b/composer.json
@@ -3,7 +3,7 @@
     "description": "Kimai extension to configure a language, which will be used to format money, date and time values in invoices",
     "homepage": "https://www.kimai.org/store/invoice-format-fixation-bundle.html",
     "type": "kimai-plugin",
-    "version": "1.0",
+    "version": "1.1",
     "keywords": [
         "kimai",
         "kimai-plugin"