diff --git a/convert.go b/convert.go
index b64a73f..6ec265d 100644
--- a/convert.go
+++ b/convert.go
@@ -3,8 +3,6 @@ package nb
 import (
 	"io"
 
-	_ "github.com/bevzzz/nb/schema/v4"
-
 	"github.com/bevzzz/nb/decode"
 	"github.com/bevzzz/nb/render"
 	"github.com/bevzzz/nb/render/html"
diff --git a/version.go b/version.go
new file mode 100644
index 0000000..c0ba179
--- /dev/null
+++ b/version.go
@@ -0,0 +1,11 @@
+package nb
+
+import (
+	// Currently supported nbformat versions:
+	_ "github.com/bevzzz/nb/schema/v4"
+)
+
+// Version returns current release version.
+func Version() string {
+	return "v0.1.0"
+}