diff --git a/.gitignore b/.gitignore
index 2abed7e..aec2e3e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,4 +3,5 @@ cache/*
 vendor
 composer.phar
 db/poche.sqlite
-inc/poche/config.inc.php
\ No newline at end of file
+inc/poche/config.inc.php
+inc/3rdparty/htmlpurifier/HTMLPurifier/DefinitionCache/Serializer/
\ No newline at end of file