diff --git a/.dagger/config.toml b/.dagger/config.toml
new file mode 100644
index 0000000..9c12bf4
--- /dev/null
+++ b/.dagger/config.toml
@@ -0,0 +1,2 @@
+[modules.dang-sdk]
+source = "github.com/dagger/dang-sdk"
diff --git a/.dagger/migration-report.md b/.dagger/migration-report.md
new file mode 100644
index 0000000..4b9eddb
--- /dev/null
+++ b/.dagger/migration-report.md
@@ -0,0 +1,10 @@
+# Migration Report
+
+## Root module requires explicit loading
+
+The root `dagger.json` is still a valid module, but it must be loaded explicitly.
+
+- **This works**: `dagger -m . call --help`
+- **This no longer works**: `dagger call --help`
+
+ACTION: If your scripts rely on implicit loading of the root module, change them to use explicit loading.