diff --git a/__tests__/html/index-bs3-vertical.html b/__tests__/html/index-bs3-vertical.html
index 86b72a6..24086c1 100644
--- a/__tests__/html/index-bs3-vertical.html
+++ b/__tests__/html/index-bs3-vertical.html
@@ -12,7 +12,7 @@
   <link href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
   <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js"></script>
 
-  <script src="//cdnjs.cloudflare.com/ajax/libs/numeral.js/2.0.6/numeral.min.js"></script>
+  <script src="https://cdnjs.cloudflare.com/ajax/libs/numeral.js/2.0.6/numeral.min.js"></script>
 
   <link href="../../src/jquery.bootstrap-touchspin.css" rel="stylesheet" type="text/css" media="all">
   <script src="../../src/jquery.bootstrap-touchspin.js"></script>
diff --git a/__tests__/html/index-bs3.html b/__tests__/html/index-bs3.html
index 19fc891..fe3c7a7 100644
--- a/__tests__/html/index-bs3.html
+++ b/__tests__/html/index-bs3.html
@@ -12,7 +12,7 @@
   <link href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
   <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js"></script>
 
-  <script src="//cdnjs.cloudflare.com/ajax/libs/numeral.js/2.0.6/numeral.min.js"></script>
+  <script src="https://cdnjs.cloudflare.com/ajax/libs/numeral.js/2.0.6/numeral.min.js"></script>
 
   <link href="../../src/jquery.bootstrap-touchspin.css" rel="stylesheet" type="text/css" media="all">
   <script src="../../src/jquery.bootstrap-touchspin.js"></script>
diff --git a/__tests__/html/index-bs4.html b/__tests__/html/index-bs4.html
index 6d88ae3..fb00402 100644
--- a/__tests__/html/index-bs4.html
+++ b/__tests__/html/index-bs4.html
@@ -11,9 +11,9 @@
 
   <!-- BOOTSTRAP 4 -->
   <link href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.0.0/css/bootstrap.min.css" rel="stylesheet">
-  <script src="//cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.0.0/js/bootstrap.bundle.min.js"></script>
+  <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.0.0/js/bootstrap.bundle.min.js"></script>
 
-  <script src="//cdnjs.cloudflare.com/ajax/libs/numeral.js/2.0.6/numeral.min.js"></script>
+  <script src="https://cdnjs.cloudflare.com/ajax/libs/numeral.js/2.0.6/numeral.min.js"></script>
 
   <link href="../../src/jquery.bootstrap-touchspin.css" rel="stylesheet" type="text/css" media="all">
   <script src="../../src/jquery.bootstrap-touchspin.js"></script>
diff --git a/__tests__/html/index-vertical.html b/__tests__/html/index-vertical.html
index 4540bb9..203ccc3 100644
--- a/__tests__/html/index-vertical.html
+++ b/__tests__/html/index-vertical.html
@@ -11,9 +11,9 @@
 
   <!-- BOOTSTRAP 4 -->
   <link href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.0.0/css/bootstrap.min.css" rel="stylesheet">
-  <script src="//cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.0.0/js/bootstrap.bundle.min.js"></script>
+  <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.0.0/js/bootstrap.bundle.min.js"></script>
 
-  <script src="//cdnjs.cloudflare.com/ajax/libs/numeral.js/2.0.6/numeral.min.js"></script>
+  <script src="https://cdnjs.cloudflare.com/ajax/libs/numeral.js/2.0.6/numeral.min.js"></script>
 
   <link href="../../src/jquery.bootstrap-touchspin.css" rel="stylesheet" type="text/css" media="all">
   <script src="../../src/jquery.bootstrap-touchspin.js"></script>
diff --git a/demo/index-bs3.html b/demo/index-bs3.html
index 41dddb6..34f4db0 100644
--- a/demo/index-bs3.html
+++ b/demo/index-bs3.html
@@ -20,7 +20,7 @@
   <link href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
   <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js"></script>
 
-  <script src="//cdnjs.cloudflare.com/ajax/libs/numeral.js/2.0.6/numeral.min.js"></script>
+  <script src="https://cdnjs.cloudflare.com/ajax/libs/numeral.js/2.0.6/numeral.min.js"></script>
 
   <link href="https://cdnjs.cloudflare.com/ajax/libs/prettify/r298/prettify.css" rel="stylesheet" type="text/css" media="all">
   <link href="../dist/jquery.bootstrap-touchspin.css" rel="stylesheet" type="text/css" media="all">
diff --git a/demo/index.html b/demo/index.html
index 6123821..b93653d 100644
--- a/demo/index.html
+++ b/demo/index.html
@@ -18,9 +18,9 @@
 
   <!-- BOOTSTRAP 4 -->
   <link href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.0.0/css/bootstrap.min.css" rel="stylesheet">
-  <script src="//cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.0.0/js/bootstrap.bundle.min.js"></script>
+  <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.0.0/js/bootstrap.bundle.min.js"></script>
 
-  <script src="//cdnjs.cloudflare.com/ajax/libs/numeral.js/2.0.6/numeral.min.js"></script>
+  <script src="https://cdnjs.cloudflare.com/ajax/libs/numeral.js/2.0.6/numeral.min.js"></script>
 
   <link href="https://cdnjs.cloudflare.com/ajax/libs/prettify/r298/prettify.css" rel="stylesheet" type="text/css" media="all">
   <link href="../src/jquery.bootstrap-touchspin.css" rel="stylesheet" type="text/css" media="all">