diff --git a/bk-install.R b/bk-install.R
index 2dc6816..0f92828 100644
--- a/bk-install.R
+++ b/bk-install.R
@@ -65,6 +65,7 @@ cran_pkgs <- c(
   "cluster",
   "colorspace",
   "colourpicker",
+  "constructive",
   "covr",
   "cowplot",
   "cowsay",