diff --git a/.gitignore b/.gitignore
index 191381e..365139f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
-.git
\ No newline at end of file
+.git
+*.exe
\ No newline at end of file
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..98ae4c4
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,3 @@
+module xdbin.com/beancount-gs
+
+go 1.17