diff --git a/bar-history/index.html b/bar-history/index.html
index d026350..70ecf47 100644
--- a/bar-history/index.html
+++ b/bar-history/index.html
@@ -3,6 +3,7 @@
   <head>
     <meta charset="utf-8">
     <title>c-base bar stats</title>
+    <script src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
     <script src="../node_modules/@webcomponents/webcomponentsjs/custom-elements-es5-adapter.js"></script>
     <script src="../node_modules/plotly.js/dist/plotly.min.js"></script>
     <script src="../dist/infoscreens.js"></script>
diff --git a/bar-status/index.html b/bar-status/index.html
index bdc1af0..6ba2e72 100644
--- a/bar-status/index.html
+++ b/bar-status/index.html
@@ -3,6 +3,7 @@
   <head>
     <meta charset="utf-8">
     <title>c-base bar status</title>
+    <script src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
     <script src="../node_modules/@webcomponents/webcomponentsjs/custom-elements-es5-adapter.js"></script>
     <script src="../dist/infoscreens.js"></script>
     <link rel="stylesheet" href="../theme/c-base.css">
diff --git a/c_lab/index.html b/c_lab/index.html
index d81ab98..6e000ba 100644
--- a/c_lab/index.html
+++ b/c_lab/index.html
@@ -3,6 +3,7 @@
   <head>
     <meta charset="utf-8">
     <title>c-lab</title>
+    <script src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
     <script src="../node_modules/@webcomponents/webcomponentsjs/custom-elements-es5-adapter.js"></script>
     <script src="../node_modules/plotly.js/dist/plotly.min.js"></script>
     <script src="../dist/infoscreens.js"></script>
diff --git a/internet/index.html b/internet/index.html
index 861c306..8b7c871 100644
--- a/internet/index.html
+++ b/internet/index.html
@@ -3,6 +3,7 @@
   <head>
     <meta charset="utf-8">
     <title>c-base network traffic</title>
+    <script src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
     <script src="../node_modules/@webcomponents/webcomponentsjs/custom-elements-es5-adapter.js"></script>
     <script src="../node_modules/plotly.js/dist/plotly.min.js"></script>
     <script src="../dist/infoscreens.js"></script>
diff --git a/mainhall/index.html b/mainhall/index.html
index 0070faa..fb0f6e3 100644
--- a/mainhall/index.html
+++ b/mainhall/index.html
@@ -3,6 +3,7 @@
   <head>
     <meta charset="utf-8">
     <title>c-base mainhall</title>
+    <script src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
     <script src="../node_modules/@webcomponents/webcomponentsjs/custom-elements-es5-adapter.js"></script>
     <script src="../node_modules/plotly.js/dist/plotly.min.js"></script>
     <script src="../dist/infoscreens.js"></script>
diff --git a/soundlab/index.html b/soundlab/index.html
index ad1cec6..3b35a89 100644
--- a/soundlab/index.html
+++ b/soundlab/index.html
@@ -3,6 +3,7 @@
   <head>
     <meta charset="utf-8">
     <title>c-base soundlab</title>
+    <script src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
     <script src="../node_modules/@webcomponents/webcomponentsjs/custom-elements-es5-adapter.js"></script>
     <script src="../node_modules/plotly.js/dist/plotly.min.js"></script>
     <script src="../dist/infoscreens.js"></script>
diff --git a/weltenbaulab/index.html b/weltenbaulab/index.html
index df9ff8d..45f310e 100644
--- a/weltenbaulab/index.html
+++ b/weltenbaulab/index.html
@@ -3,6 +3,7 @@
   <head>
     <meta charset="utf-8">
     <title>c-base weltenbaulab</title>
+    <script src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
     <script src="../node_modules/@webcomponents/webcomponentsjs/custom-elements-es5-adapter.js"></script>
     <script src="../node_modules/plotly.js/dist/plotly.min.js"></script>
     <script src="../dist/infoscreens.js"></script>
diff --git a/workshop/index.html b/workshop/index.html
index 85a2c31..87b849f 100644
--- a/workshop/index.html
+++ b/workshop/index.html
@@ -3,6 +3,7 @@
   <head>
     <meta charset="utf-8">
     <title>c-base workshop</title>
+    <script src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
     <script src="../node_modules/@webcomponents/webcomponentsjs/custom-elements-es5-adapter.js"></script>
     <script src="../node_modules/plotly.js/dist/plotly.min.js"></script>
     <script src="../dist/infoscreens.js"></script>
