diff --git a/README.md b/README.md
index 899875aa..4a342d78 100644
--- a/README.md
+++ b/README.md
@@ -817,7 +817,7 @@ Reveal.initialize({
 
 	// Don't forget to add the dependencies
 	dependencies: [
-		{ src: '//cdnjs.cloudflare.com/ajax/libs/socket.io/0.9.16/socket.io.min.js', async: true },
+		{ src: '//cdn.socket.io/socket.io-1.3.5.js', async: true },
 		{ src: 'plugin/multiplex/master.js', async: true },
 
 		// and if you want speaker notes
@@ -845,7 +845,7 @@ Reveal.initialize({
 
 	// Don't forget to add the dependencies
 	dependencies: [
-		{ src: '//cdnjs.cloudflare.com/ajax/libs/socket.io/0.9.16/socket.io.min.js', async: true },
+		{ src: '//cdn.socket.io/socket.io-1.3.5.js', async: true },
 		{ src: 'plugin/multiplex/client.js', async: true }
 
 		// other dependencies...
@@ -883,7 +883,7 @@ Reveal.initialize({
 
 	// Don't forget to add the dependencies
 	dependencies: [
-		{ src: '//cdnjs.cloudflare.com/ajax/libs/socket.io/0.9.16/socket.io.min.js', async: true },
+		{ src: '//cdn.socket.io/socket.io-1.3.5.js', async: true },
 		{ src: 'plugin/multiplex/client.js', async: true }
 
 		// other dependencies...
@@ -906,7 +906,7 @@ Reveal.initialize({
 
 	// Don't forget to add the dependencies
 	dependencies: [
-		{ src: '//cdnjs.cloudflare.com/ajax/libs/socket.io/0.9.16/socket.io.min.js', async: true },
+		{ src: '//cdn.socket.io/socket.io-1.3.5.js', async: true },
 		{ src: 'plugin/multiplex/master.js', async: true },
 		{ src: 'plugin/multiplex/client.js', async: true }