diff --git a/test.sh b/test.sh
index d1d4850..912af34 100755
--- a/test.sh
+++ b/test.sh
@@ -63,6 +63,9 @@ test_run() {
     # Delete the upgraded PostgreSQL data directory
     sudo rm -rf postgres-data
 
+    ### FIXME: See if this helps
+    docker system prune -f
+
     ### FIXME:
     echo "ls #2"
     sudo ls -la postgres-data