diff --git a/deps.edn b/deps.edn
index b86c4e9..72e6cfb 100644
--- a/deps.edn
+++ b/deps.edn
@@ -3,8 +3,9 @@
  :deps
  {org.clojure/clojure {:mvn/version "1.10.3"}
   org.babashka/sci #_{:mvn/version "0.3.5"}
-  {:git/url "https://github.com/babashka/sci"
+  #_{:git/url "https://github.com/babashka/sci"
    :git/sha "b95519dc283bebafa3dcce01c3e9eaaa568d0fcb"}
+  {:local/root "../babashka/sci"}
   reagent/reagent {:mvn/version "1.1.0"}
   cljsjs/react {:mvn/version "17.0.2-0"}
   cljsjs/react-dom {:mvn/version "17.0.2-0"}
diff --git a/resources/public/index.html b/resources/public/index.html
index e1356ad..60c22d2 100644
--- a/resources/public/index.html
+++ b/resources/public/index.html
@@ -49,7 +49,11 @@
           (let [response (gobject/get req "response")]
            (set! (.-innerText code) response)
            (.highlightElement js/hljs code))))
-        (.send req)))
+      (.send req)))
+
+      (set! (.-eval_input js/window) (fn []
+      (let [value (.-value (js/document.getElementById "myInput"))]
+        (js/scittle.core.eval_string value))))
 
     </script>
 
@@ -118,6 +122,12 @@
       Click me!
     </button>
 
+    <a name="eval"></a>
+    <h2><a href="#eval">Evaluate</a></h2>
+    <textarea id="myInput" type="textarea">(ns foo (:require [bar]))
+    </textarea>
+    <button onclick="eval_input()">Eval!</button>
+    
     <a name="repl"></a>
     <h2><a href="#nrepl">REPL</a></h2>
 
diff --git a/src/scittle/core.cljs b/src/scittle/core.cljs
index 137434b..bce0ecc 100644
--- a/src/scittle/core.cljs
+++ b/src/scittle/core.cljs
@@ -33,8 +33,13 @@
 (def !sci-ctx (atom (sci/init {:namespaces namespaces
                                :classes {'js js/window
                                          :allow :all}
-                               :disable-arity-checks true})))
-
+                               :disable-arity-checks true
+                               :async-load-fn (fn [{:keys [libname ctx opts]}]
+                                                (-> (js* (str "import('" libname "')"))
+                                                    (.then (fn [mod]
+                                                             (sci/add-class! ctx (:as opts) mod)))
+                                                    (.then (fn [_]
+                                                             {:handled true}))))})))
 
 (def !last-ns (volatile! @sci/ns))