diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 67367d5476..5ba2275c93 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1 +1 @@
-To get started, please <a href="http://www.clahub.com/agreements/ajaxplorer/ajaxplorer-core">sign the Contributor License Agreement</a>.
+To get started, please <a href="https://pyd.io/contribute/cla/">sign the Contributor License Agreement</a>.