diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..8d3cd80
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,7 @@
+module github.com/nicokaiser/hugo-gallery-starter
+
+go 1.20
+
+require github.com/nicokaiser/hugo-theme-gallery/v4 v4.0.0 // indirect
+
+replace github.com/nicokaiser/hugo-theme-gallery/v4 => ../