diff --git a/ReverseGeoLookup.go b/ReverseGeoLookup.go
index 3360851..3f5bf48 100644
--- a/ReverseGeoLookup.go
+++ b/ReverseGeoLookup.go
@@ -1,4 +1,4 @@
-package reverseGeoLookup
+package ReverseGeoLookup
 
 import (
 	"encoding/json"
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..aa2483a
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,3 @@
+module ReverseGeoLookup
+
+go 1.20