diff --git a/Resources/services.xml b/Resources/services.xml
index 6bc8b0d..06816ce 100644
--- a/Resources/services.xml
+++ b/Resources/services.xml
@@ -9,6 +9,7 @@
     </parameters>
 
     <services>
+        <defaults public="true"/>
         <service id="mailtransport_factory" class="FroshMailCatcher\Components\MailFactory">
             <argument type="service" id="frosh_mail_catcher.components.database_mail_transport" />
         </service>
diff --git a/build.sh b/build.sh
deleted file mode 100755
index 42100d9..0000000
--- a/build.sh
+++ /dev/null
@@ -1,19 +0,0 @@
-#!/usr/bin/env bash
-
-commit=$1
-if [ -z ${commit} ]; then
-    commit=$(git tag --sort=-creatordate | head -1)
-    if [ -z ${commit} ]; then
-        commit="master";
-    fi
-fi
-
-# Remove old release
-rm -rf FroshMailCatcher FroshMailCatcher-*.zip
-
-# Build new release
-mkdir -p FroshMailCatcher
-git archive ${commit} | tar -x -C FroshMailCatcher
-composer install --no-dev -n -o -d FroshMailCatcher
-( find ./FroshMailCatcher -type d -name ".git" && find ./FroshMailCatcher -name ".gitignore" && find ./FroshMailCatcher -name ".gitmodules" ) | xargs rm -r
-zip -r FroshMailCatcher-${commit}.zip FroshMailCatcher
\ No newline at end of file
diff --git a/plugin.xml b/plugin.xml
index 970139f..829c617 100644
--- a/plugin.xml
+++ b/plugin.xml
@@ -3,11 +3,12 @@
         xsi:noNamespaceSchemaLocation="../../../engine/Shopware/Components/Plugin/schema/plugin.xsd">
     <label lang="de">Mail Catcher</label>
     <label lang="en">Mail Catcher</label>
-    <version>1.2.0</version>
+    <version>1.2.1</version>
     <copyright>Friends of Shopware</copyright>
     <license>MIT</license>
     <link>https://github.com/FriendsOfShopware/FroshMailCatcher</link>
     <author>Friends of Shopware</author>
+    <compatibility minVersion="5.6.0"/>
     <changelog version="1.0.0">
         <changes lang="en">
             <![CDATA[
@@ -36,4 +37,11 @@
             ]]>
         </changes>
     </changelog>
+    <changelog version="1.2.1">
+        <changes lang="en">
+            <![CDATA[
+                Fix for Shopware 5.7
+            ]]>
+        </changes>
+    </changelog>
 </plugin>