diff --git a/conf/app.src b/conf/app.src
index e6ac2c2..62eab80 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,4 +1,4 @@
-SOURCE_URL=http://download.gna.org/wkhtmltopdf/0.12/0.12.4/wkhtmltox-0.12.4_linux-generic-amd64.tar.xz
+SOURCE_URL=https://downloads.wkhtmltopdf.org/0.12/0.12.4/wkhtmltox-0.12.4_linux-generic-amd64.tar.xz
 SOURCE_SUM=049b2cdec9a8254f0ef8ac273afaf54f7e25459a273e27189591edc7d7cf29db
 SOURCE_FILE=wkhtmltox-0.12.4_linux-generic-amd64.tar.xz
 SOURCE_FORMAT=tar.xz