diff --git a/.well-known/owncloud-codesigning-challenge.txt b/.well-known/owncloud-codesigning-challenge.txt
new file mode 100644
index 0000000..d7aea9f
--- /dev/null
+++ b/.well-known/owncloud-codesigning-challenge.txt
@@ -0,0 +1 @@
+e808a0a26b4cfef14105804f8d25ab564497b9a641b9588aceb987ec74a8b880
\ No newline at end of file