diff --git a/buildserver/provision-apt-get-install b/buildserver/provision-apt-get-install
index 4b7e1d38..0d352d13 100644
--- a/buildserver/provision-apt-get-install
+++ b/buildserver/provision-apt-get-install
@@ -71,7 +71,7 @@ packages="
  libtool-bin/testing
  make
  maven
- mercurial
+ mercurial/jessie-backports
  nasm
  nodejs
  openjdk-8-jre-headless