diff --git a/rusile/src/lib.rs b/rusile/src/lib.rs
index 41fa3d141..42a00bad1 100644
--- a/rusile/src/lib.rs
+++ b/rusile/src/lib.rs
@@ -8,9 +8,7 @@ use mlua::prelude::*;
 fn rusile(lua: &Lua) -> LuaResult<LuaTable> {
     let exports = lua.create_table().unwrap();
     exports.set("demo", LuaFunction::wrap_raw(sile::rusile_demo))?;
-    //exports.set(
-    //    "semver",
-    //    LuaFunction::wrap_raw(sile::types::semver::Semver::new),
-    //)?;
+    //dbg!(sile::types::semver::new);
+    //exports.set("semver", LuaFunction::wrap_raw(sile::types::semver::new))?;
     Ok(exports)
 }
diff --git a/src/types/semver.rs b/src/types/semver.rs
index 2342ca397..b17d995e4 100644
--- a/src/types/semver.rs
+++ b/src/types/semver.rs
@@ -3,19 +3,29 @@ use semver::Version;
 use std::ops::Deref;
 
 pub struct Semver {
-    pub version: Version,
+    pub version: Option<Version>,
 }
 
 impl Semver {
-    pub fn new(version: &str) -> crate::Result<Self> {
-        let version = Version::parse(version)?;
-        Ok(Semver { version })
+    pub fn new(version: Option<&str>) -> crate::Result<Self> {
+        let version = match version {
+            Some(str) => Self {
+                version: Some(Version::parse(str)?),
+            },
+            None => Self { version: None },
+        };
+        Ok(version)
     }
 }
 
+//pub fn new(version: &str) -> crate::Result<Semver> {
+//    let version = Version::parse(version)?;
+//    Ok(Semver { version })
+//}
+
 impl Deref for Semver {
-    type Target = Version;
-    fn deref(&self) -> &Version {
+    type Target = Option<Version>;
+    fn deref(&self) -> &Option<Version> {
         &self.version
     }
 }