diff --git a/.expeditor/license_scout.sh b/.expeditor/license_scout.sh
index b79a4bfce7..809b5bd06b 100755
--- a/.expeditor/license_scout.sh
+++ b/.expeditor/license_scout.sh
@@ -21,6 +21,7 @@ if [[ "${BUILDKITE:-false}" == "true" ]]; then
   # Since we don't use any software from this repository in our tests,
   # we can temporarily remove it from our sources.
   rm /etc/apt/sources.list.d/microsoft-prod.list
+  wget -q -O - https://dl.google.com/linux/linux_signing_key.pub | sudo apt-key add -
   apt-get clean
   apt-get autoremove 
   apt-get update
diff --git a/scripts/bk_tests/bk_install.sh b/scripts/bk_tests/bk_install.sh
index 6061e59ddd..aef898bc1c 100755
--- a/scripts/bk_tests/bk_install.sh
+++ b/scripts/bk_tests/bk_install.sh
@@ -9,7 +9,7 @@ set -e
 # The fix:
 # 1. Add `deb https://apt-archive.postgresql.org/pub/repos/apt bionic-pgdg main` to sources.list
 # 2. Remove /etc/apt/sources.list.d/pgdg.list
-sudo echo "deb https://apt-archive.postgresql.org/pub/repos/apt bionic-pgdg main">>/etc/apt/sources.list
+sudo echo "deb https://apt.postgresql.org/pub/repos/apt/ focal-pgdg main 13">>/etc/apt/sources.list
 rm /etc/apt/sources.list.d/pgdg.list
 
 echo "Removing postgresql-9.3"