diff --git a/README.md b/README.md
index 56a8f92..2f7dc7a 100644
--- a/README.md
+++ b/README.md
@@ -2,3 +2,4 @@
 
 one
 two
+three
diff --git a/dagger.lock b/dagger.lock
new file mode 100644
index 0000000..13f311f
--- /dev/null
+++ b/dagger.lock
@@ -0,0 +1,10 @@
+# Generated by Dagger. Pins the images and git refs this workspace uses.
+# Any Dagger command may update this file; always commit it with your changes.
+# Run `dagger lock update` to refresh the pinned versions.
+[["version","2"]]
+["","git-latest",["github.com/dagger/go",["tagPrefix","gobuild"],["version","v0.4.0"]],"refs/tags/v0.4.0"]
+["","git-latest",["github.com/dagger/go",["tagPrefix","gomod"],["version","v0.4.0"]],"refs/tags/v0.4.0"]
+["","git-latest",["github.com/dagger/go"],"refs/tags/v0.4.0"]
+["","git-sha",["github.com/dagger/go","refs/tags/v0.4.0"],"e327bee9103fe60cb66c9d11bf2e1604686021df"]
+["","oci-sha",["docker.io/library/golang:1.27-alpine"],"sha256:eb61c3873c97416fff0116553fff65d67a3549f72e11d9758849a689cdd8b523"]
+["","vanity-url",["https://dagger.io/go"],"https://github.com/dagger/go"]
\ No newline at end of file
diff --git a/dagger.toml b/dagger.toml
new file mode 100644
index 0000000..350e3b1
--- /dev/null
+++ b/dagger.toml
@@ -0,0 +1,2 @@
+[modules.go]
+source = "dagger.io/go"