diff --git a/samples/scales/time/combo.html b/samples/scales/time/combo.html
index 873e40d1a..ddcc5b326 100644
--- a/samples/scales/time/combo.html
+++ b/samples/scales/time/combo.html
@@ -3,7 +3,7 @@
 
 <head>
 	<title>Line Chart - Combo Time Scale</title>
-	<script src="http://cdnjs.cloudflare.com/ajax/libs/moment.js/2.13.0/moment.min.js"></script>
+	<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.13.0/moment.min.js"></script>
 	<script src="../../../dist/Chart.js"></script>
 	<script src="../../utils.js"></script>
 	<style>
diff --git a/samples/scales/time/line-point-data.html b/samples/scales/time/line-point-data.html
index 1eeefa3ad..0a221624b 100644
--- a/samples/scales/time/line-point-data.html
+++ b/samples/scales/time/line-point-data.html
@@ -3,7 +3,7 @@
 
 <head>
 	<title>Time Scale Point Data</title>
-	<script src="http://cdnjs.cloudflare.com/ajax/libs/moment.js/2.13.0/moment.min.js"></script>
+	<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.13.0/moment.min.js"></script>
 	<script src="../../../dist/Chart.js"></script>
 	<script src="../../utils.js"></script>
 	<style>
diff --git a/samples/scales/time/line.html b/samples/scales/time/line.html
index b1645e0dd..221354f9e 100644
--- a/samples/scales/time/line.html
+++ b/samples/scales/time/line.html
@@ -3,7 +3,7 @@
 
 <head>
 	<title>Line Chart</title>
-	<script src="http://cdnjs.cloudflare.com/ajax/libs/moment.js/2.13.0/moment.min.js"></script>
+	<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.13.0/moment.min.js"></script>
 	<script src="../../../dist/Chart.js"></script>
 	<script src="../../utils.js"></script>
 	<style>
diff --git a/samples/tooltips/custom-points.html b/samples/tooltips/custom-points.html
index 7d9946042..1bb64da4f 100644
--- a/samples/tooltips/custom-points.html
+++ b/samples/tooltips/custom-points.html
@@ -5,7 +5,7 @@
 	<title>Custom Tooltips using Data Points</title>
 	<script src="../../dist/Chart.bundle.js"></script>
 	<script src="../utils.js"></script>
-	<script src="http://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
+	<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
 	<style>
 		canvas{
 			-moz-user-select: none;
