diff --git a/.well-known/owncloud-codesigning-challenge.txt b/.well-known/owncloud-codesigning-challenge.txt
new file mode 100644
index 0000000..a895099
--- /dev/null
+++ b/.well-known/owncloud-codesigning-challenge.txt
@@ -0,0 +1 @@
+c881f958fa0c3125ee91d418066ba1e28cd1b6dc23e8cc545ffb1d3d0991cad0
\ No newline at end of file