diff --git a/src/Client/RedmineClient.php b/src/Client/RedmineClient.php
index 3b85418..a94c1f5 100644
--- a/src/Client/RedmineClient.php
+++ b/src/Client/RedmineClient.php
@@ -16,7 +16,8 @@ final class RedmineClient
     public function __construct(
         private TagAwareCacheInterface $cache,
         private string $url,
-        private string $apiKey
+        private string $apiKey,
+        private int $ttl
     ) {}
 
     public function call(string $api, string $method, array $arguments = []): mixed
@@ -24,7 +25,7 @@ final class RedmineClient
         $cacheKey = sprintf('%s_%s_%s', $api, $method, sha1(serialize($arguments)));
 
         return $this->cache->get($cacheKey, function (ItemInterface $item) use ($api, $method, $arguments): array {
-            $item->expiresAfter(3600);
+            $item->expiresAfter($this->ttl);
             $item->tag([$api, $method]);
 
             $client = $this->getClient()->getApi($api);
diff --git a/src/DependencyInjection/Configuration.php b/src/DependencyInjection/Configuration.php
index 6a664e4..b5240ba 100644
--- a/src/DependencyInjection/Configuration.php
+++ b/src/DependencyInjection/Configuration.php
@@ -14,26 +14,33 @@ final class Configuration implements ConfigurationInterface
     {
         $treeBuilder = new TreeBuilder('magdev_redmine');
         $rootNode = $treeBuilder->getRootNode();
-        $rootNode->fixXmlConfig('connection')
-            ->children()
-                ->arrayNode('connections')
-                    ->useAttributeAsKey('name')
-                    ->normalizeKeys(false)
-                    ->arrayPrototype()
-                        ->children()
-                            ->scalarNode('url')
-                                ->isRequired()
-                                ->info('Base URL of the Redmine instance')
-                            ->end()
-                            ->scalarNode('apikey')
-                                ->isRequired()
-                                ->info('Redmine API-Key')
-                            ->end()
-                        ->end()
-                    ->end()
-                ->end()
-                ->scalarNode('default_connection')->end()
-        ;
+        $rootNode->children()
+            ->scalarNode('ttl')
+                ->isRequired()
+                ->info('TTL for cached api calls')
+            ->end()
+        ->end();
+
+        #$rootNode->fixXmlConfig('connection')
+        #    ->children()
+        #        ->arrayNode('connections')
+        #            ->useAttributeAsKey('name')
+        #            ->normalizeKeys(false)
+        #            ->arrayPrototype()
+        #                ->children()
+        #                    ->scalarNode('url')
+        #                        ->isRequired()
+        #                        ->info('Base URL of the Redmine instance')
+        #                    ->end()
+        #                    ->scalarNode('apikey')
+        #                        ->isRequired()
+        #                        ->info('Redmine API-Key')
+        #                    ->end()
+        #                ->end()
+        #            ->end()
+        #        ->end()
+        #        ->scalarNode('default_connection')->end()
+        #;
 
         return $treeBuilder;
     }
diff --git a/src/DependencyInjection/MagdevRedmineExtension.php b/src/DependencyInjection/MagdevRedmineExtension.php
index 5765a76..6659583 100644
--- a/src/DependencyInjection/MagdevRedmineExtension.php
+++ b/src/DependencyInjection/MagdevRedmineExtension.php
@@ -17,6 +17,8 @@ final class MagdevRedmineExtension extends Extension
     {
         $config = $this->processConfiguration(new Configuration(), $configs);
 
+        $container->setParameter('magdev_redmine.ttl', $config['ttl']);
+
         $loader = new YamlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
         $loader->load('services.yaml');
     }
diff --git a/src/Resources/config/services.yaml b/src/Resources/config/services.yaml
index 09742a3..d39e98a 100644
--- a/src/Resources/config/services.yaml
+++ b/src/Resources/config/services.yaml
@@ -1,3 +1,3 @@
 services:
     Magdev\RedmineBundle\Client\RedmineClient:
-        arguments: ['@redmine_api.cache', '%env(REDMINE_URL)%', '%env(REDMINE_APIKEY)%']
+        arguments: ['@redmine_api.cache', '%env(REDMINE_URL)%', '%env(REDMINE_APIKEY)%', '%magdev_redmine.ttl%']