diff --git a/.gitignore b/.gitignore
index 92443bd..be01177 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,4 +20,5 @@ pkg/
 old/
 version.go
 notes
-docs/
+docs/*
+!docs/go.mod
diff --git a/docs/go.mod b/docs/go.mod
new file mode 100644
index 0000000..6ec1d14
--- /dev/null
+++ b/docs/go.mod
@@ -0,0 +1,3 @@
+module github.com/hrfee/jfa-go/docs
+
+go 1.15