diff --git a/conf/app.src b/conf/app.src
index 58a6529..a854ead 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/matomo-org/matomo/archive/refs/tags/4.3.0-rc1.zip
-SOURCE_SUM=fd6bb4706493989c6a29a44e6ae460c3eb0fc659236eff32042b2e66f246abaa
+SOURCE_URL=https://github.com/matomo-org/matomo/archive/refs/tags/4.3.0-rc1.tar.gz
+SOURCE_SUM=af0951e086a4ac0f3fdc63fbe0d809dd202e47f36c735358ab20bc7479d36b87
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true