diff --git a/conf/app.src b/conf/app.src
index 8878580..8822ccc 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,3 +1,6 @@
-SOURCE_URL=https://github.com/xwiki-labs/cryptpad/archive/1.27.0.tar.gz
-SOURCE_SUM=8923990cb16700d7b899785fe1307051118fcbea234240ff2ff802c13efc72a0
+SOURCE_URL=https://github.com/xwiki-labs/cryptpad/archive/1.28.0.tar.gz
+SOURCE_SUM=d85bc267efc2a4db8f048e4d646935bd5d477055c3671f2d024432cc9590345e
 SOURCE_SUM_PRG=sha256sum
+SOURCE_FORMAT=tar.gz
+SOURCE_IN_SUBDIR=true
+SOURCE_FILENAME=