diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..241c1c8
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,11 @@
+module github.com/zserge/zs
+
+go 1.13
+
+require (
+	github.com/eknkc/amber v0.0.0-20171010120322-cdade1c07385
+	github.com/russross/blackfriday v2.0.0+incompatible
+	github.com/shurcooL/sanitized_anchor_name v1.0.0 // indirect
+	github.com/yosssi/gcss v0.1.0
+	gopkg.in/yaml.v2 v2.2.2
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..da74106
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,11 @@
+github.com/eknkc/amber v0.0.0-20171010120322-cdade1c07385 h1:clC1lXBpe2kTj2VHdaIu9ajZQe4kcEY9j0NsnDDBZ3o=
+github.com/eknkc/amber v0.0.0-20171010120322-cdade1c07385/go.mod h1:0vRUJqYpeSZifjYj7uP3BG/gKcuzL9xWVV/Y+cK33KM=
+github.com/russross/blackfriday v2.0.0+incompatible h1:cBXrhZNUf9C+La9/YpS+UHpUT8YD6Td9ZMSU9APFcsk=
+github.com/russross/blackfriday v2.0.0+incompatible/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
+github.com/shurcooL/sanitized_anchor_name v1.0.0 h1:PdmoCO6wvbs+7yrJyMORt4/BmY5IYyJwS/kOiWx8mHo=
+github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
+github.com/yosssi/gcss v0.1.0 h1:jRuino7qq7kqntBIhT+0xSUI5/sBgCA/zCQ1Tuzd6Gg=
+github.com/yosssi/gcss v0.1.0/go.mod h1:M3mTPOWZWjVROkXKZ2AiDzOBOXu2MqQeDXF/nKO44sI=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
diff --git a/zs.go b/zs.go
index 05eaae6..1830e14 100644
--- a/zs.go
+++ b/zs.go
@@ -191,7 +191,7 @@ func buildMarkdown(path string, w io.Writer, vars Vars) error {
 	if err != nil {
 		return err
 	}
-	v["content"] = string(blackfriday.MarkdownCommon([]byte(content)))
+	v["content"] = string(blackfriday.Run([]byte(content)))
 	if w == nil {
 		out, err := os.Create(filepath.Join(PUBDIR, renameExt(path, "", ".html")))
 		if err != nil {