diff --git a/composer.json b/composer.json
index 677e1eb..ee8b19a 100755
--- a/composer.json
+++ b/composer.json
@@ -40,7 +40,6 @@
     },
     "branch-alias": {
       "dev-master": "2.0-dev",
-      "dev-1.x": "1.2-dev"
     }
   }
 }
diff --git a/src/WorkflowGui/Controller/WorkflowController.php b/src/WorkflowGui/Controller/WorkflowController.php
index 2ccc83a..b418994 100644
--- a/src/WorkflowGui/Controller/WorkflowController.php
+++ b/src/WorkflowGui/Controller/WorkflowController.php
@@ -18,6 +18,7 @@
 
 use Pimcore\Bundle\AdminBundle\Controller\AdminController;
 use Pimcore\Bundle\CoreBundle\DependencyInjection\Configuration;
+use Pimcore\Cache\Symfony\CacheClearer;
 use Pimcore\Model\User;
 use Pimcore\Tool\Console;
 use Symfony\Component\Config\Definition\Processor;
@@ -28,7 +29,6 @@
 use Symfony\Component\HttpKernel\KernelInterface;
 use Symfony\Component\Process\Process;
 use Symfony\Component\Security\Core\Exception\AccessDeniedException;
-use Symfony\Component\Yaml\Yaml;
 use Youwe\Pimcore\WorkflowGui\Repository\WorkflowRepositoryInterface;
 use Youwe\Pimcore\WorkflowGui\Resolver\ConfigFileResolverInterface;
 
@@ -37,15 +37,18 @@ class WorkflowController extends AdminController
     protected WorkflowRepositoryInterface $repository;
     protected ConfigFileResolverInterface $configResolver;
     protected KernelInterface $kernel;
+    protected CacheClearer $cacheClearer;
 
     public function __construct(
         WorkflowRepositoryInterface $repository,
         ConfigFileResolverInterface $configFileResolver,
-        KernelInterface $kernel
+        KernelInterface $kernel,
+        CacheClearer $cacheClearer
     ) {
         $this->repository = $repository;
         $this->configResolver = $configFileResolver;
         $this->kernel = $kernel;
+        $this->cacheClearer = $cacheClearer;
     }
 
     public function listAction(): JsonResponse
@@ -99,14 +102,11 @@ public function cloneAction(Request $request): JsonResponse
             ]);
         }
 
-        $configPath = $this->configResolver->getConfigPath();
-
-        $contents = Yaml::parseFile($configPath);
-        $newWorkflow = $contents['pimcore']['workflows'][$id];
-
-        $contents['pimcore']['workflows'][$name] = $newWorkflow;
-
-        file_put_contents($configPath, Yaml::dump($contents, 100));
+        $this->repository->updateConfig(function (array $workflows) use ($id, $name): array {
+            $workflows[$name] = $workflows[$id];
+            return $workflows;
+        });
+        $this->cacheClearer->clear($this->kernel->getEnvironment());
 
         return $this->json(['success' => true, 'id' => $name]);
     }
@@ -140,17 +140,15 @@ public function saveAction(Request $request): JsonResponse
             return $this->json(['success' => false, 'message' => $ex->getMessage()]);
         }
 
-        $configPath = $this->configResolver->getConfigPath();
-
-        $contents = Yaml::parseFile($configPath);
-
-        if (isset($contents['pimcore']['workflows'][$id])) {
-            unset($contents['pimcore']['workflows'][$id]);
-        }
-
-        $contents['pimcore']['workflows'][$newId] = $newConfiguration;
+        $this->repository->updateConfig(function (array $workflows) use ($id, $newId, $newConfiguration): array {
+            if (isset($workflows[$id])) {
+                unset($workflows[$id]);
+            }
 
-        file_put_contents($configPath, Yaml::dump($contents, 100));
+            $workflows[$newId] = $newConfiguration;
+            return $workflows;
+        });
+        $this->cacheClearer->clear($this->kernel->getEnvironment());
 
         $workflow = $this->repository->find($id);
 
@@ -163,15 +161,13 @@ public function deleteAction(Request $request): JsonResponse
 
         $id = $request->get('id');
 
-        $configPath = $this->configResolver->getConfigPath();
-
-        $contents = Yaml::parseFile($configPath);
-
-        if (isset($contents['pimcore']['workflows'][$id])) {
-            unset($contents['pimcore']['workflows'][$id]);
-        }
-
-        file_put_contents($configPath, Yaml::dump($contents, 100));
+        $this->repository->updateConfig(function (array $workflows) use ($id): array {
+            if (isset($workflows[$id])) {
+                unset($workflows[$id]);
+            }
+            return $workflows;
+        });
+        $this->cacheClearer->clear($this->kernel->getEnvironment());
 
         return $this->json(['success' => true]);
     }
diff --git a/src/WorkflowGui/Repository/WorkflowRepository.php b/src/WorkflowGui/Repository/WorkflowRepository.php
index b79ab45..3de0280 100644
--- a/src/WorkflowGui/Repository/WorkflowRepository.php
+++ b/src/WorkflowGui/Repository/WorkflowRepository.php
@@ -49,11 +49,16 @@ function ($key) use ($id) {
         return reset($filtered);
     }
 
+    public function updateConfig(callable $workflowsRewriter): void
+    {
+        $config = $this->loadConfig();
+        $config['pimcore']['workflows'] = $workflowsRewriter($config['pimcore']['workflows']);
+        $this->storeConfig($config);
+    }
+
     protected function processConfiguration(): array
     {
-        $config = Yaml::parse(
-            file_get_contents($this->configFileResolver->getConfigPath())
-        );
+        $config = $this->loadConfig();
 
         $configuration = new Configuration();
         $processor = new Processor();
@@ -62,4 +67,19 @@ protected function processConfiguration(): array
 
         return $config['workflows'];
     }
+
+    protected function loadConfig(): array
+    {
+        return Yaml::parse(
+            file_get_contents($this->configFileResolver->getConfigPath())
+        );
+    }
+
+    protected function storeConfig(array $config): void
+    {
+        file_put_contents(
+            $this->configFileResolver->getConfigPath(),
+            Yaml::dump($config, 100)
+        );
+    }
 }
diff --git a/src/WorkflowGui/Repository/WorkflowRepositoryInterface.php b/src/WorkflowGui/Repository/WorkflowRepositoryInterface.php
index 8255652..cad312d 100644
--- a/src/WorkflowGui/Repository/WorkflowRepositoryInterface.php
+++ b/src/WorkflowGui/Repository/WorkflowRepositoryInterface.php
@@ -20,4 +20,5 @@ interface WorkflowRepositoryInterface
 {
     public function findAll(): array;
     public function find($id): array;
+    public function updateConfig(callable $workflowsRewriter): void;
 }
diff --git a/src/WorkflowGui/Resources/config/services.yml b/src/WorkflowGui/Resources/config/services.yml
index 707ea02..d302720 100644
--- a/src/WorkflowGui/Resources/config/services.yml
+++ b/src/WorkflowGui/Resources/config/services.yml
@@ -15,6 +15,7 @@ services:
             - '@Youwe\Pimcore\WorkflowGui\Repository\WorkflowRepository'
             - '@Youwe\Pimcore\WorkflowGui\Resolver\ConfigFileResolver'
             - '@kernel'
+            - '@Pimcore\Cache\Symfony\CacheClearer'
         tags:
             - { name: controller.service_arguments }
         calls: