diff --git a/config/services.yaml b/config/services.yaml
index 7da1ddd7..90e7c0e5 100644
--- a/config/services.yaml
+++ b/config/services.yaml
@@ -230,6 +230,10 @@ services:
 
     Symfony\Component\HttpClient\NoPrivateNetworkHttpClient: ~
 
+    Packeton\Package\Updater:
+      calls:
+        - [setSerializerCachePath, ['%kernel.cache_dir%/html_purifier']]
+
     Okvpn\Expression\TwigLanguage:
         arguments:
             $options:
diff --git a/src/Package/Updater.php b/src/Package/Updater.php
index df5c7de2..c76c9a1d 100644
--- a/src/Package/Updater.php
+++ b/src/Package/Updater.php
@@ -86,6 +86,8 @@ class Updater implements UpdaterInterface
         ],
     ];
 
+    private ?string $serializerCachePath = null;
+
     public function __construct(
         protected ManagerRegistry $doctrine,
         protected DistConfig $distConfig,
@@ -97,6 +99,15 @@ public function __construct(
         ErrorHandler::register();
     }
 
+    public function setSerializerCachePath(string $serializerCachePath): void
+    {
+        if (!mkdir($serializerCachePath, true) && !is_dir($serializerCachePath)) {
+            throw new \RuntimeException(sprintf('Directory "%s" was not created', $serializerCachePath));
+        }
+
+        $this->serializerCachePath = $serializerCachePath;
+    }
+
     /**
      * {@inheritdoc}
      */
@@ -894,6 +905,9 @@ private function prepareReadme(string $readme, ?string $host = null, ?string $ow
         $config->set('HTML.AllowedAttributes', implode(',', $attributes));
         $config->set('Attr.EnableID', true);
         $config->set('Attr.AllowedFrameTargets', ['_blank']);
+        if ($this->serializerCachePath !== null) {
+            $config->set('Cache.SerializerPath', $this->serializerCachePath);
+        }
 
         // add custom HTML tag definitions
         $def = $config->getHTMLDefinition(true);