diff --git a/docker/admin/install.bash b/docker/admin/install.bash
index 9d80b4c..6bf70bc 100755
--- a/docker/admin/install.bash
+++ b/docker/admin/install.bash
@@ -31,6 +31,7 @@ EOF
 packages="
 
 docker-ce-cli
+g++
 git
 jq
 less
diff --git a/tools/ci-bootstrap.bash b/tools/ci-bootstrap.bash
index a3ba58c..59b7729 100755
--- a/tools/ci-bootstrap.bash
+++ b/tools/ci-bootstrap.bash
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-set -euxo pipefail
+set -euo pipefail
 
 : ${AWS_ACCESS_KEY_ID}
 : ${AWS_SECRET_ACCESS_KEY}
diff --git a/tools/ci-run.bash b/tools/ci-run.bash
index 2b9ab3d..f4757bb 100755
--- a/tools/ci-run.bash
+++ b/tools/ci-run.bash
@@ -3,6 +3,5 @@
 set -euo pipefail
 
 echo "${DOCKER_PASSWORD}" | docker login --username "${DOCKER_USERNAME}" --password-stdin
-yarn install
 
 make publish