diff --git a/example/index.html b/example/index.html
index 573035e..971c5be 100644
--- a/example/index.html
+++ b/example/index.html
@@ -2,7 +2,7 @@
   <head>
     <title>ImGui JavaScript+WebGL example</title>
     <!-- <script type="text/javascript" src="../node_modules/systemjs/dist/system.js"></script> -->
-    <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.20.19/system.js"></script>
+    <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.21.0/system.js"></script>
     <script type="text/javascript" src="system.config.js"></script>
     <script type="text/javascript">
     SystemJS.import("./main")

diff --git a/example/index.html b/example/index.html
index 573035e..971c5be 100644
--- a/example/index.html
+++ b/example/index.html
@@ -2,7 +2,7 @@
   <head>
     <title>ImGui JavaScript+WebGL example</title>
     <!-- <script type="text/javascript" src="../node_modules/systemjs/dist/system.js"></script> -->
-    <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.20.19/system.js"></script>
+    <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.21.0/system.js"></script>
     <script type="text/javascript" src="system.config.js"></script>
     <script type="text/javascript">
     SystemJS.import("./main")
diff --git a/package.json b/package.json
index 61f6034..137c562 100644
--- a/package.json
+++ b/package.json
@@ -12,10 +12,10 @@
   "license": "MIT",
   "devDependencies": {
     "@types/emscripten": "0.0.31",
-    "@types/node": "^4.0.36",
+    "@types/node": "^9.4.6",
     "@types/systemjs": "^0.20.6",
     "http-server": "^0.11.1",
-    "systemjs": "^0.20.19",
+    "systemjs": "^0.21.0",
     "typescript": "^2.7.1"
   }
 }
