diff --git a/www/conservancy/static/donate/index.html b/www/conservancy/static/donate/index.html
index 20a039633d07d0e785160378ad287d05ade36448..4bb847b9fc9ac135ae57aa53271567f64d7c9bec 100644
--- a/www/conservancy/static/donate/index.html
+++ b/www/conservancy/static/donate/index.html
@@ -50,11 +50,11 @@ function validateAmount(amount){
 
 <h3>Donate via Flattr</h3>
 <p>
-<a href="http://www.flattr.com">Flattr</a> is a social micro-payment system that allows users to make donations via the web.  Like Google Checkout, Flattr does not charge any processing fees on donations to Conservancy.  If you are a Flattr user and you would like to "flattr" Conservancy with a donation, click on the button below:
+<a href="https://www.flattr.com">Flattr</a> is a social micro-payment system that allows users to make donations via the web.  Like Google Checkout, Flattr does not charge any processing fees on donations to Conservancy.  If you are a Flattr user and you would like to "flattr" Conservancy with a donation, click on the button below:
 </p>
 
-<a href="http://flattr.com/thing/922714/Donate-to-Software-Freedom-Conservancy" target="_blank">
-<img src="http://api.flattr.com/button/flattr-badge-large.png" alt="Flattr us!" title="Flattr us!" border="0" /></a>
+<a href="https://flattr.com/thing/922714/Donate-to-Software-Freedom-Conservancy" target="_blank">
+<img src="https://api.flattr.com/button/flattr-badge-large.png" alt="Flattr us!" title="Flattr us!" border="0" /></a>