diff --git a/tests/tests-environment.sh b/tests/tests-environment.sh
index a410d7f..b771852 100755
--- a/tests/tests-environment.sh
+++ b/tests/tests-environment.sh
@@ -2,10 +2,11 @@
 
 set -e
 
-sudo add-apt-repository --yes ppa:beineri/opt-qt59-trusty
+sudo add-apt-repository --yes ppa:beineri/opt-qt591-trusty
 sudo apt-get update -qq
 
-wget http://ftp.de.debian.org/debian/pool/main/p/patchelf/patchelf_0.8-2_amd64.deb
+wget https://ftp.fau.de/debian/pool/main/p/patchelf/patchelf_0.8-2_amd64.deb
+echo "5d506507df7c02766ae6c3ca0d15b4234f4cb79a80799190ded9d3ca0ac28c0c  patchelf_0.8-2_amd64.deb" | sha256sum -c
 sudo dpkg -i patchelf_0.8-2_amd64.deb
 
 cd /tmp/