diff --git a/README.md b/README.md
index 29b7d53..f2c1d3b 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,9 @@ The Sync Server provides a replacement for Firefox’s default server (hosted at
 
 By default, a server set up will defer authentication to the Mozilla-hosted accounts server at [https://accounts.firefox.com](https://accounts.firefox.com). So you will still have to authenticate at Mozilla, but _the storage of your information will be done on your host_.
 
-**Shipped version:** 1.8
+Since no version was released since 2018, we follow now the master branch
+
+**Shipped version:** commit 33a1e42
 
 Documentation
 -------------
diff --git a/conf/app.src b/conf/app.src
index 28519e2..cc235f6 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,4 +1,4 @@
-SOURCE_URL=https://github.com/mozilla-services/syncserver/archive/1.8.0.tar.gz
-SOURCE_SUM=728206bcffec7a305e97e7cd4d465b3fa56f39f8e1fd55d98e49a866016d61e0
+SOURCE_URL=https://github.com/mozilla-services/syncserver/archive/33a1e42c14dd1bd54ac2440001c81d23b7ae6d73.zip
+SOURCE_SUM=345fe53e9f949df52fe8233cf7f74eff2818942f6a9d6fda9657d888ca5ec99d
 SOURCE_SUM_PRG=sha256sum
-SOURCE_FORMAT=tar.gz
+SOURCE_FORMAT=zip