diff --git a/README.md b/README.md
index 055a997..42025b8 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 <p align="center"><img src="https://firefly-iii.org/static/img/logo-small-new.png"></p>
 
-# Firefly III v4.7.5.1 for YunoHost
+# Firefly III v4.7.5.3 for YunoHost
 
 [![Integration level](https://dash.yunohost.org/integration/Firefly-III.svg)](https://ci-apps.yunohost.org/jenkins/job/firefly-iii%20%28Community%29/lastBuild/consoleFull)  
 
diff --git a/conf/.env b/conf/.env
index b3172da..7033dc4 100644
--- a/conf/.env
+++ b/conf/.env
@@ -62,6 +62,12 @@ MAIL_USERNAME=null
 MAIL_PASSWORD=null
 MAIL_ENCRYPTION=null
 
+# Other mail drivers:
+MAILGUN_DOMAIN=
+MAILGUN_SECRET=
+MANDRILL_SECRET=
+SPARKPOST_SECRET=
+
 # Firefly III can send you the following messages
 SEND_REGISTRATION_MAIL=true
 SEND_ERROR_MESSAGE=true
@@ -100,3 +106,5 @@ IS_DOCKER=false
 IS_SANDSTORM=false
 BUNQ_USE_SANDBOX=false
 IS_HEROKU=false
+MAILGUN_DOMAIN=
+MAILGUN_SECRET=
diff --git a/conf/app.src b/conf/app.src
index adfd0f5..cdfad7b 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/firefly-iii/firefly-iii/archive/4.7.5.1.tar.gz
-SOURCE_SUM=9f43d57c9290c63985899332482324f6c9abb5bbdbf4b94f50d5178b2fb4315a
+SOURCE_URL=https://github.com/firefly-iii/firefly-iii/archive/4.7.5.3.tar.gz
+SOURCE_SUM=c87563b80a6f1d7d81a90e160e868cf94800e2b9d17938c2849ccc3d017372f7
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
diff --git a/manifest.json b/manifest.json
index ab2504e..d8e0411 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "Firefly III is a self-hosted financial manager.",
         "fr": "Firefly III est un gestionnaire de finances personnelles."
     },
-    "version": "4.7.5.1",
+    "version": "4.7.5.3",
     "url": "https://firefly-iii.org/",
     "license": "GPL v3",
     "maintainer": {