diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..e05b54f
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,5 @@
+module converter
+
+go 1.24.3
+
+require github.com/shopspring/decimal v1.4.0
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..2ce1d39
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,2 @@
+github.com/shopspring/decimal v1.4.0 h1:bxl37RwXBklmTi0C79JfXCEBD1cqqHt0bbgBAGFp81k=
+github.com/shopspring/decimal v1.4.0/go.mod h1:gawqmDU56v4yIKSwfBSFip1HdCCXN8/+DMd9qYNcwME=