diff --git a/README.md b/README.md
index 9e93d281..1b95612b 100644
--- a/README.md
+++ b/README.md
@@ -836,7 +836,7 @@ 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
@@ -864,7 +864,7 @@ 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...
@@ -902,7 +902,7 @@ 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...
@@ -925,7 +925,7 @@ 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 }