diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..7c3c857
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,24 @@
+module sketch.dev
+
+go 1.24.2
+
+require (
+	github.com/creack/pty v1.1.24
+	github.com/evanw/esbuild v0.25.2
+	github.com/fatih/color v1.18.0
+	github.com/google/go-cmp v0.7.0
+	github.com/richardlehane/crock32 v1.0.1
+	golang.org/x/net v0.38.0
+	golang.org/x/sync v0.12.0
+	golang.org/x/term v0.30.0
+	golang.org/x/tools v0.31.0
+	mvdan.cc/sh/v3 v3.11.0
+)
+
+require (
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	golang.org/x/mod v0.24.0 // indirect
+	golang.org/x/sys v0.31.0 // indirect
+	golang.org/x/text v0.23.0 // indirect
+)