diff --git a/monitor/install.sh b/monitor/install.sh
index beceec4..5501822 100755
--- a/monitor/install.sh
+++ b/monitor/install.sh
@@ -49,6 +49,9 @@
 if ! python3 -c 'import requests' > /dev/null; then
   echo 'python3-requests module missing'
 fi
+if ! python3 -c 'import pybuildkite' > /dev/null; then
+  echo 'python3-pybuildkite module missing'
+fi
 
 ############################# Install