diff --git a/README.md b/README.md
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--- a/README.md
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@@ -1,7 +1,8 @@
 # bitcoinjs-lib
 
 [![Build Status](https://travis-ci.org/bitcoinjs/bitcoinjs-lib.png)](https://travis-ci.org/bitcoinjs/bitcoinjs-lib)
-[![browser support](http://ci.testling.com/bitcoinjs/bitcoinjs-lib.png)](https://ci.testling.com/bitcoinjs/bitcoinjs-lib)
+
+[![browser support](https://ci.testling.com/bitcoinjs/bitcoinjs-lib.png)](https://ci.testling.com/bitcoinjs/bitcoinjs-lib)
 
 A pure JavaScript Bitcoin library for node.js and browsers. Backed by (slowly improving) testing, proven by over a million wallet users. The backbone for almost all Bitcoin web wallets in production today.