diff --git a/webpivot/C3js/README.md b/webpivot/C3js/README.md
index 83b5459..fed8fd3 100644
--- a/webpivot/C3js/README.md
+++ b/webpivot/C3js/README.md
@@ -7,6 +7,6 @@ How to use:
 <script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/d3/4.13.0/d3.min.js"></script>
 <script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/c3/0.6.0/c3.min.js"></script>
 <link rel="stylesheet" type="text/css" href="//cdnjs.cloudflare.com/ajax/libs/c3/0.6.0/c3.min.css">
-<script type="text/javascript" src="https://cdn.rawgit.com/nreco/pivotdata/master/webpivot/C3js/jquery.nrecopivotchart-c3.js"></script>
+<script type="text/javascript" src="https://cdn.jsdelivr.net/gh/nreco/pivotdata/webpivot/C3js/jquery.nrecopivotchart-c3.js"></script>
 ```
 Online demo: [PivotData microservice with C3.js](http://pivotdataservice.nrecosite.com/pivotdataservice/?chartlib=C3js)
diff --git a/webpivot/C3js/demo-include.js b/webpivot/C3js/demo-include.js
index 6601a46..1a447c6 100644
--- a/webpivot/C3js/demo-include.js
+++ b/webpivot/C3js/demo-include.js
@@ -2,4 +2,4 @@
 documentWriteScript("//cdnjs.cloudflare.com/ajax/libs/d3/4.13.0/d3.min.js");
 documentWriteScript("//cdnjs.cloudflare.com/ajax/libs/c3/0.6.0/c3.min.js");
 documentWriteStylesheet("//cdnjs.cloudflare.com/ajax/libs/c3/0.6.0/c3.min.css");
-documentWriteScript("https://cdn.rawgit.com/nreco/pivotdata/master/webpivot/C3js/jquery.nrecopivotchart-c3.js");
\ No newline at end of file
+documentWriteScript("https://cdn.jsdelivr.net/gh/nreco/pivotdata/webpivot/C3js/jquery.nrecopivotchart-c3.js");
\ No newline at end of file
diff --git a/webpivot/ECharts/README.md b/webpivot/ECharts/README.md
index 4c66560..555514d 100644
--- a/webpivot/ECharts/README.md
+++ b/webpivot/ECharts/README.md
@@ -5,6 +5,6 @@ How to use:
 * include ECharts and jquery.nrecoPivotChart-echarts.js:
 ```
 <script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/echarts/4.1.0/echarts.common.min.js"></script>
-<script type="text/javascript" src="https://cdn.rawgit.com/nreco/pivotdata/master/webpivot/ECharts/jquery.nrecopivotchart-echarts.js"></script>
+<script type="text/javascript" src="https://cdn.jsdelivr.net/gh/nreco/pivotdata/webpivot/ECharts/jquery.nrecopivotchart-echarts.js"></script>
 ```
 Online demo: [PivotData microservice with ECharts](http://pivotdataservice.nrecosite.com/pivotdataservice/?chartlib=ECharts)
diff --git a/webpivot/ECharts/demo-include.js b/webpivot/ECharts/demo-include.js
index f317554..400ea5f 100644
--- a/webpivot/ECharts/demo-include.js
+++ b/webpivot/ECharts/demo-include.js
@@ -1,3 +1,3 @@
 /* loads dependencies for online demo */
 documentWriteScript("//cdnjs.cloudflare.com/ajax/libs/echarts/4.1.0/echarts.common.min.js");
-documentWriteScript("https://cdn.rawgit.com/nreco/pivotdata/master/webpivot/ECharts/jquery.nrecopivotchart-echarts.js");
\ No newline at end of file
+documentWriteScript("https://cdn.jsdelivr.net/gh/nreco/pivotdata/webpivot/ECharts/jquery.nrecopivotchart-echarts.js");
\ No newline at end of file