diff --git a/README.md b/README.md
index f797431..269b061 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ If you don't have YunoHost, please consult [the guide](https://yunohost.org/#/in
 ## Overview
 Invoice Ninja is the #1 open-source platform to create & email invoices, track payments and expenses, and time billable tasks & projects for clients.
 
-**Shipped version:** v5.1.62
+**Shipped version:** v4.5.19
 
 ## Screenshots
 
diff --git a/conf/app.src b/conf/app.src
index a5c9c3a..27e1a0b 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,6 +1,6 @@
-SOURCE_URL=https://github.com/invoiceninja/invoiceninja/releases/download/v5.1.62-release/invoiceninja.zip
-SOURCE_SUM=3b66664ab24888e2487fc59056ec659fb32c1eec88d51edabb7e005372f69e7c
+SOURCE_URL=https://download.invoiceninja.com/ninja-v4.5.19.zip
+SOURCE_SUM=5a3ec7ab747bb371e7788b215be290eb489b11dea2ba1e1bff7516e7c077364e
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=zip
 SOURCE_IN_SUBDIR=true
-SOURCE_FILENAME=invoiceninja-v5.1.62.zip
\ No newline at end of file
+SOURCE_FILENAME=invoiceninja-v4.5.19.zip
diff --git a/manifest.json b/manifest.json
index 7fa8f83..e4fbcb0 100644
--- a/manifest.json
+++ b/manifest.json
@@ -5,7 +5,7 @@
     "description": {
         "en": "Create and email invoices, track payments and expenses, and time tasks"
     },
-    "version": "5.1.62~ynh1",
+    "version": "4.5.19~ynh1",
     "url": "https://invoiceninja.org",
     "license": "AAL",
     "maintainer": {