diff --git a/hello-world-test.txt b/hello-world-test.txt
new file mode 100644
index 0000000000..38d6660e0e
--- /dev/null
+++ b/hello-world-test.txt
@@ -0,0 +1,3 @@
+Hello, world!
+
+This is a test file created by Roomote to verify source-control write access after the GitHub App reinstall. Safe to close without merging.