diff --git a/templates/nodepool-builder.default.erb b/templates/nodepool-builder.default.erb
index 09ec648..79a6c3e 100644
--- a/templates/nodepool-builder.default.erb
+++ b/templates/nodepool-builder.default.erb
@@ -9,3 +9,4 @@ export <%= key %>='<%= @environment[key] %>'
 PIDFILE=/var/run/nodepool/nodepool-builder.pid
 <% end -%>
 DAEMON_ARGS="-c /etc/nodepool/nodepool.yaml -l /etc/nodepool/builder-logging.conf --build-workers <%= @build_workers %> --upload-workers <%= @upload_workers %>"
+export LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libjemalloc.so.1
diff --git a/templates/nodepool-launcherv3.default.erb b/templates/nodepool-launcherv3.default.erb
index 6b0bca5..8d98589 100644
--- a/templates/nodepool-launcherv3.default.erb
+++ b/templates/nodepool-launcherv3.default.erb
@@ -6,3 +6,4 @@ export STATSD_PORT=8125
 export STATSD_PREFIX=<%= @statsd_prefix %>
 <% end -%>
 DAEMON_ARGS="-c /etc/nodepool/nodepool.yaml -l /etc/nodepool/launcher-logging.conf"
+export LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libjemalloc.so.1