diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..f559e2d
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,3 @@
+# DO NOT REMOVE THIS FILE
+# Package dependencies are stored in environment.yml
+# This file is only here to allow "az webapp up" to run without errors.