diff --git a/Cargo.toml b/Cargo.toml
index 7d1154a..5e8ecac 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,7 +10,7 @@ crate-type = ["cdylib"]
 
 
 [dependencies]
-seed = "^0.2.10"
+seed = "^0.3.0"
 wasm-bindgen = "^0.2.37"
 web-sys = "^0.3.6"
 
diff --git a/build.ps1 b/build.ps1
index a0aa590..3a88676 100644
--- a/build.ps1
+++ b/build.ps1
@@ -1,2 +1,2 @@
-cargo build --target wasm32-unknown-unknown
-wasm-bindgen target/wasm32-unknown-unknown/debug/appname.wasm --no-modules --out-dir ./pkg --out-name package
\ No newline at end of file
+cargo build --target wasm32-unknown-unknown --release
+wasm-bindgen target/wasm32-unknown-unknown/release/appname.wasm --no-modules --out-dir ./pkg --out-name package
\ No newline at end of file
diff --git a/build.sh b/build.sh
index 409b955..9476444 100644
--- a/build.sh
+++ b/build.sh
@@ -1,3 +1,6 @@
 #!/usr/bin/env bash
 cargo build --target wasm32-unknown-unknown
-wasm-bindgen target/wasm32-unknown-unknown/debug/appname.wasm --no-modules --out-dir ./pkg --out-name package
\ No newline at end of file
+wasm-bindgen target/wasm32-unknown-unknown/debug/appname.wasm --no-modules --out-dir ./pkg --out-name package
+
+#cargo build --target wasm32-unknown-unknown --release
+#wasm-bindgen target/wasm32-unknown-unknown/release/appname.wasm --no-modules --out-dir ./pkg --out-name package
\ No newline at end of file
diff --git a/src/lib.rs b/src/lib.rs
index d96df49..0124c9b 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -25,16 +25,17 @@ enum Msg {
     Increment,
 }
 
-fn update(msg: Msg, model: Model) -> Update<Msg, Model> {
+fn update(msg: Msg, model: &mut Model) -> Update<Msg> {
     match msg {
-        Msg::Increment => Render(Model {val: model.val + 1})
+        Msg::Increment => model.val += 1,
     }
+    Render.into()
 }
 
 
 // View
 
-fn view(_state: seed::App<Msg, Model>, model: &Model) -> El<Msg> {
+fn view(model: &Model) -> El<Msg> {
     button![ 
         simple_ev(Ev::Click, Msg::Increment), 
         format!("Hello, World × {}", model.val)