diff --git a/install_xapian.sh b/install_xapian.sh
index 586b19c..a1ccd53 100755
--- a/install_xapian.sh
+++ b/install_xapian.sh
@@ -10,8 +10,8 @@ BINDINGS=xapian-bindings-$VERSION
 
 # download
 echo "Downloading source..."
-curl -O http://oligarchy.co.uk/xapian/$VERSION/${CORE}.tar.xz
-curl -O http://oligarchy.co.uk/xapian/$VERSION/${BINDINGS}.tar.xz
+curl -O https://oligarchy.co.uk/xapian/$VERSION/${CORE}.tar.xz
+curl -O https://oligarchy.co.uk/xapian/$VERSION/${BINDINGS}.tar.xz
 
 # extract
 echo "Extracting source..."