diff --git a/build-libssl.sh b/build-libssl.sh
index e013840..b5f66ed 100755
--- a/build-libssl.sh
+++ b/build-libssl.sh
@@ -61,7 +61,7 @@ esac
 set -e
 if [ ! -e openssl-${VERSION}.tar.gz ]; then
 	echo "Downloading openssl-${VERSION}.tar.gz"
-    curl -O http://www.openssl.org/source/openssl-${VERSION}.tar.gz
+    curl -O https://www.openssl.org/source/openssl-${VERSION}.tar.gz
 else
 	echo "Using openssl-${VERSION}.tar.gz"
 fi