diff --git a/buildserver/provision-apt-get-install b/buildserver/provision-apt-get-install
index d4481b32..89ed189f 100644
--- a/buildserver/provision-apt-get-install
+++ b/buildserver/provision-apt-get-install
@@ -71,7 +71,7 @@ packages="
  git-core
  git-svn
  gperf
- gpg
+ gpg/stretch-backports
  javacc
  libarchive-zip-perl
  libexpat1-dev