diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..a55eeac
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,8 @@
+module github.com/cleanspacedev/ipify-api
+
+go 1.21
+
+require (
+    github.com/julienschmidt/httprouter v1.3.0
+    github.com/rs/cors v1.11.1
+)