diff --git a/README.md b/README.md
index ce47caa..41d7e92 100644
--- a/README.md
+++ b/README.md
@@ -4,4 +4,4 @@ xiFDR
 Generic FDR-Calculation for cross-linked PSMs and resulting peptide pairs, links and protein pairs
 
 Binary releases can be downloaded from 
-http://xi3.bio.ed.ac.uk/downloads/
+https://xi3.bio.ed.ac.uk/downloads/